Ayi Najmul H, Nurlaela F, Ade S. Implementation of the Problem-Based Learning Approach in Increasing Mathematics Learning at Sman 1 Cisarua, Bandung Barat Regency. HOM [Internet]. 2023 Feb. 28 [cited 2025 Apr. 22];9(1). Available from: https://historymedjournal.com/HOM/index.php/medicine/article/view/364