Purwanto, Arie, Melania Eva Wulanningtyas, and Nanang Khuzaini. “Analisis Model Regresi Multilevel Dalam Kajian Hasil Belajar Siswa”. Formosa Journal of Multidisciplinary Research 1, no. 6 (October 31, 2022): 1341–1350. Accessed April 26, 2026. https://journal.formosapublisher.org/index.php/fjmr/article/view/1568.