Fauziyah, Fauziyah, Fifto Nugroho, and Efori Buulolo. “Sistem Pendukung Keputusan Pemilihan Instruktur Bimbingan Belajar Menggunakan Metode PSI (Preference Selection Index)”. Building of Informatics, Technology and Science (BITS) 4, no. 3 (December 30, 2022): 1447−1455. Accessed April 21, 2025. https://ejurnal.seminar-id.com/index.php/bits/article/view/2695.