“Perancangan Sistem Informasi E-Rapor Berbasis Web Dengan Metode Waterfall Pada SD Muhammadiyah 24 Jakarta”. Integrative Perspectives of Social and Science Journal 3, no. 08 Agustus (August 1, 2026): 129–139. Accessed October 21, 2026. https://ipssj.com/index.php/ojs/article/view/1860.