L. R. Ravisafitra and R. D. . Indahsari, “The Design of the SBMPTN Tryout System on the Official Website of the Tutoring Institute “Road to PTN”: Perancangan Sistem Tryout Sbmptn Pada Official Website Lembaga Bimbingan Belajar ‘Road To PTN’”, PELS, vol. 1, no. 2, Aug. 2021.