Design of a Web-Based Church Notice Board System Using the Waterfall Method. Journal of Innovation and Technology Polbeng Series on Informatics (INOVTEK Polbeng - Seri Informatika), [S. l.], v. 10, n. 3, p. 1542–1552, 2025. DOI: 10.35314/hwnhzk87. Disponível em: http://210.79.191.38/index.php/ISI/article/view/1197.. Acesso em: 8 jul. 2026.