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. 2023;9(1). Accessed April 22, 2025. https://historymedjournal.com/HOM/index.php/medicine/article/view/364