RIJAL, Akh. Syaiful. Pengembangan profesionalisme guru IPS. SOCIA: Jurnal Ilmu-Ilmu Sosial, [S. l.], v. 15, n. 2, p. 187–196, 2018. DOI: 10.21831/socia.v15i2.22677. Disponível em: https://journal.uny.ac.id/index.php/sosia/article/view/22677. Acesso em: 6 may. 2025.