1.
Febriani S, Sudomo J, Setianingsih W. DEVELOPMENT OF STUDENT WORKSHEET BASED ON PROBLEM BASED LEARNING APPROACH TO INCREASE 7TH GRADE student’s CREATIVE THINKING SKILLS. JSER [Internet]. 2017 Oct. 9 [cited 2026 Sep. 5];1(1). Available from: https://jurnal.uny.ac.id/index.php/jser/article/view/16179