Riyadi, Slamet, and Ika Ratna Indra Astutik. “Design and Build a Web-Based Guestbook Case Study Gresik Regency Education Office”. JOINCS (Journal of Informatics, Network, and Computer Science) 5, no. 2 (November 30, 2022): 35-38. Accessed November 21, 2024. https://joincs.umsida.ac.id/index.php/joincs/article/view/1601.