Perancangan Sistem Informasi E-Rapor Berbasis Web dengan Metode Waterfall pada SD Muhammadiyah 24 Jakarta. IPSSJ [Internet]. 2026 Aug. 1 [cited 2026 Oct. 21];3(08 Agustus):129-3. Available from: https://ipssj.com/index.php/ojs/article/view/1860