Saputra MD, Alimah S, Setiati N. Effectiveness of Student’s Critical Thinking Skill with Problem-Based Learning (PBL), Osborn Model and Integration of PBL-Osborn. JISE [Internet]. 6Apr.2020 [cited 22Nov.2024];9(1):71 -76. Available from: http://journal.unnes.ac.id/sju/jise/article/view/32665