Gultom JA, Sinurat W, Silitonga M, Harahap EF, Abdurohim A. Effect of Problem-Based Learning Model on Learning Motivation in Quality Control Course. edumaspul [Internet]. 1Mar.2024 [cited 3Jul.2024];8(1):1817-24. Available from: https://ummaspul.e-journal.id/maspuljr/article/view/7904