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Murni S, Fitrah H, Rahmi Novalita RN. Professional Competence of Teachers in Improving Learning Effectiveness in Natural and Social Sciences Subjects. Sjdgge [Internet]. 2025 Jul. 2 [cited 2026 Oct. 24];9(1):38-45. Available from: http://sjdgge.ppj.unp.ac.id/index.php/Sjdgge/article/view/639