Manurung, Alberth Supriyanto, Abdul Halim, and Ainur Rosyid. “The Role of Problem Based Learning Learning in Improving Student Character Education”. Jurnal Basicedu 7, no. 1 (January 24, 2023): 169–170. Accessed July 21, 2024. https://jbasic.org/index.php/basicedu/article/view/4279.