pps, jurnalpps, M. A. Rochimi, and W. Utari. “UPAYA PENINGKATAN PROFESIONALISME GURU SMP IT AL AZHAR BOARDING SCHOOL BALIKPAPAN KALIMANTAN TIMUR”. Jurnal Manajerial Bisnis, Vol. 5, no. 1, Sept. 2021, pp. 38-46, doi:10.37504/jmb.v5i1.372.