Syahid Faturrojak, Dewi Septiani Kurniasih. Pengaruh Model Problem Based Learning Terhadap Motivasi Belajar Peserta Didik SMA Negeri 1 Panawangan. CENDEKIA [Internet]. 2022 Feb. 22 [cited 2026 Feb. 28];2(1):72-8. Available from: https://prin.or.id/index.php/cendikia/article/view/1264