Nasiwan N, Sudrajat S, Wijayanti AT. PROFESIONALISME GURU IPS SMP KABUPATEN SLEMAN YOGYAKARTA. JIPSINDO [Internet]. 2017 Dec. 27 [cited 2025 May 14];4(2):129-4. Available from: https://jurnal.uny.ac.id/index.php/jipsindo/article/view/17572