Melita R. Jemalu, Maria, Rusno Rusno, and Udik Yudiono. “erbandingan odel roblem ased earning (PBL) an odel embelajaran onvensional erhadap asil elajar PS erpadu iswa MP egeri elak”. Jurnal Riset Pendidikan Ekonomi 6, no. 2 (October 30, 2021): 71–85. ccessed July 22, 2024. http://ejournal.unikama.ac.id/index.php/jrpe/article/view/6139.