A PHP Error was encountered
Severity: Notice
Message: unserialize(): Error at offset 0 of 216 bytes
Filename: inc/geoip-plugin.php
Line Number: 74
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 74
Function: unserialize
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 78
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 78
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 79
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 79
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 80
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 80
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 81
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 81
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 82
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 82
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 83
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 83
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 84
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 84
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 85
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 85
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 86
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 86
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 87
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 87
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 88
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 88
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: inc/geoip-plugin.php
Line Number: 89
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/inc/geoip-plugin.php
Line: 89
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/geolib/Geolib.php
Line: 109
Function: locate
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 65
Function: ip_info
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type bool
Filename: libraries/Main_library.php
Line Number: 66
Backtrace:
File: /home/u472053266/domains/maktabtk.com/public_html/application/libraries/Main_library.php
Line: 66
Function: _error_handler
File: /home/u472053266/domains/maktabtk.com/public_html/application/controllers/Blog.php
Line: 203
Function: load
File: /home/u472053266/domains/maktabtk.com/public_html/index.php
Line: 316
Function: require_once
معايير اختيار موضوع البحث - موقع مكتبتك
أنفوجرافيك الأبحاث العلمية معايير اختيار موضوع البحث 2018-12-09 الكاتب : أحمد مجدي مشاهدات : 7391 مره
يتناول فريق موقع مكتبتك في المقال الحالي بعض معايير اختيار موضوع البحث ، حيث يواجه أغلب الباحثون عقبات عديدة أثناء تحديد مشكلة البحث ولا يدرك بعضهم ما هي شروط اختيار الموضوع البحثي بشكل سليم.
أن يكون موضوع البحث: -محدداً.
-ممكناً.
-مثمراً.
-جديداً
في انتظار تعليقاتكم ومقترحاتكم أسفل المقال للرد عليها لتحسين الخدمة ونشر الاستفادة للجميع
للإطلاع علي المزيد من المقالات المتشابهة .. اضغط هنا
للاستعانة بأحد خدماتنا .. اضغط هنا
البحث فى المدونة
الأقسام
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الوسوم