- https://www.zend.com/en/services/certification/php-certification
- https://www.zend.com/en/yellow-pages/ZEND026072 ( me ;)
- http://php.net/manual/en/
- http://ranawd.wordpress.com/2011/01/17/zend-certified-engineer-zce-study-guide-links/
- http://www.zendexam.com
- http://fr.slideshare.net/carlosbuenosvinos/zend-php-53-demo-certification-test
- http://www.lornajane.net/posts/2014/zend-certified-php-developer-5-5
- http://www.zend.com/en/yellow-pages/ZEND027818
- Your ID here