RANCANG BANGUN SISTEM INFORMASI PERPUSTAKAAN BERBASIS WEB MENGGUNAKAN METODE WATERFALL PADA SD 067090 MEDAN KOTA. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 8, n. 3, p. 5438–5444, 2025. DOI: 10.54314/jssr.v8i3.4293. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/4293.. Acesso em: 11 apr. 2026.