Trisnawati, Nika F, and Sundari. “Efektifitas Model Problem Based Learning Dan Model Group Investigation Dalam Meningkatkan Karakter Anti Korupsi”. Mosharafa: Jurnal Pendidikan Matematika 9, no. 2 (May 30, 2020): 203–214. Accessed July 5, 2024. https://journal.institutpendidikan.ac.id/index.php/mosharafa/article/view/604.