Mursyid, Ahmad. “UPAYA GURU DALAM MENIGKATKAN KOMPETENSI PROFESIONAL”. Tsaqofah : Jurnal Pendidikan Islam 6, no. 1 (September 14, 2021). Accessed October 25, 2021. https://jurnal.stitalishlahbondowoso.ac.id/index.php/tsaqofah/article/view/11.