MUNIFAH, K., U. HAMIDA, M. FIRMANSYAH, S. HUDA, A. MUAWANAH, and R. IRWANDANI. “Discipline and Student Achievement Based on the Management of Islamic Education Systems”. Utopía Y Praxis Latinoamericana, Vol. 25, no. 1, Aug. 2020, pp. 388-03, http://www.produccioncientifica.luz.edu.ve/index.php/utopia/article/view/33546.