Amelia, C., Aprilianto, A., Supriatna, D., Rusydi, I. and Zahari, N. 2022. The Principal’s Role as Education Supervisor in Improving Teacher Professionalism. Nidhomul Haq : Jurnal Manajemen Pendidikan Islam. 7, 1 (Apr. 2022), 144-155. DOI:https://doi.org/10.31538/ndh.v7i1.2075.