Novrianti, Siti, and Saut Pintubipar Saragih. “RANCANG BANGUN APLIKASI E-PERPUSTAKAAN SMP NEGERI 31 BATAM DENGAN METODE EXTREME PROGRAMMING”. Computer Based Information System Journal 14, no. 1 (March 31, 2026): 72–80. Accessed March 31, 2026. https://ejournal.upbatam.ac.id/index.php/cbis/article/view/11329.