https://www.petanikode.com/google-map-dasar/
https://developers.google.com/maps/documentation/javascript/mysql-to-maps
http://www.candra.web.id/tutorial-google-maps-php/
https://code-boxx.com/simple-php-comment-system/
https://www.phpzag.com/comment-system-with-ajax-php-mysql/
https://www.malasngoding.com/membuat-form-pencarian-dengan-php-dan-mysql/
https://owlcation.com/stem/Simple-search-PHP-MySQL