FADHILA, Fitri; BISRI, Hasan. DEVELOPING THE PROFESSIONALISM OF TEACHERS THROUGH KELOMPOK KERJA GURU (KKG) IN CLUSTER I OF ELEMENTARY SCHOOL. AL - KAFF: JURNAL SOSIAL HUMANIORA , [S. l.], v. 1, n. 1, 2018. Disponível em: http://103.127.96.46/index.php/al-kaff/article/view/1324. Acesso em: 8 jun. 2026.