MURNI, Seri; FITRAH, Hariki; RAHMI NOVALITA, Rahmi Novalita. Professional Competence of Teachers in Improving Learning Effectiveness in Natural and Social Sciences Subjects. Sumatra Journal of Disaster, Geography and Geography Education, [S. l.], v. 9, n. 1, p. 38–45, 2025. DOI: 10.24036/sjdgge.v9i1.639. Disponível em: http://sjdgge.ppj.unp.ac.id/index.php/Sjdgge/article/view/639. Acesso em: 24 oct. 2026.