https://webeasystep.com/tag/tag_page/codeigniter-tutorials/30

https://webeasystep.com/blog/view_article/create_newsletter_with_bootstrap_and_codeigniter

iskalnik v codeigniterju!!
https://webeasystep.com/blog/view_article/Advanced_search_in_codeigniter_clean_way

https://techarise.com/newsletter-email-subscription-with-php-mysql/#

https://techarise.com/create-simple-contact-form-codeigniter/

https://www.studentstutorial.com/codeigniter/insert-data-codeIgniter