“Design and Build a Web-Based Guestbook Case Study Gresik Regency Education Office: Rancang Bangun Buku Tamu Berbasis Web Studi Kasus Dinas Pendidikan Kabupaten Gresik”. JOINCS (Journal of Informatics, Network, and Computer Science), vol. 5, no. 2, Nov. 2022, pp. 35-38, https://doi.org/10.21070/joincs.v5i2.1601.