Saragih, Reagan Surbakti, and Edison Ulung P. Simanihuruk. “SISTEM INFORMASI TRY OUT UJIAN NASIONAL BERBASIS WEB DI SMP NEGERI 1 TANAH JAWA KABUPATEN SIMALUNGUN”. Jurnal Bisantara Informatika 4, no. 2 (December 18, 2020): 12. Accessed April 20, 2026. https://bisantara.amikparbinanusantara.ac.id/index.php/bisantara/article/view/37.