Raflyanto, Wiyogo, Jhonni Rentas Duling. PENERAPAN MODEL PEMBELAJARAN OPEN ENDED PROBLEM UNTUK MENINGKATKAN HASIL BELAJAR SISTEM KOPLING GANDA. JPTM [Internet]. 2019 Sep. 7 [cited 2024 Nov. 22];1(1):26-30. Available from: https://e-journal.upr.ac.id/index.php/JPTM/article/view/113