1. http://www.justetc.net/sayedblog/?p=1201
3. http://phpdoc.wordpress.org/
4.http://codex.wordpress.org/Developer_Documentation
5. http://codex.wordpress.org/Writing_a_Plugin
6. http://www.devlounge.net/extras/how-to-write-a-wordpress-plugin
7. http://net.tutsplus.com/tutorials/wordpress/creating-a-custom-wordpress-plugin-from-scratch/
8. http://w3prodigy.com/web-production/behind-wordpress/php-classes-wordpress-plugin/
9. http://pelfusion.com/know-how/20-tutorials-to-develop-wordpress-plugin/
10.