Lubis, Sarmadhan. “Peningkatan Profesionalisme Guru PAI Melalui Kelompok Kerja Guru (KKG)”. Jurnal Pendidikan Agama Islam Al-Thariqah 2, no. 2 (December 31, 2017): 189–205. Accessed May 5, 2024. https://journal.uir.ac.id/index.php/althariqah/article/view/1045.