Alam, Md. Jahangir, A.K.M. Mahmudul Haque, Muhammad Kamruzzaman, dan Imran Hossain. “State of Instructional Educational Facilities of Primary Education at Upazila Level”. Indonesian Journal of Teaching in Science 3, no. 2 (September 1, 2023): 171–182. Diakses September 16, 2026. https://ejournal-dppm.upi.edu/ijotis/article/view/927.