Pinardi J, Punding W, Suparman, Subagjo A. IDENTIFICATION OF STUDENT ERRORS IN SOLVING DERIVATIVE PROBLEMS IN SMA NEGERI 3 PALANGKA RAYA. JPN [Internet]. 2021 Jun. 28 [cited 2024 Jul. 22];22(1):37-43. Available from: https://e-journal.upr.ac.id/index.php/JPN/article/view/2793