FEBRIANI, Siska; SUDOMO, Joko; SETIANINGSIH, Wita. DEVELOPMENT OF STUDENT WORKSHEET BASED ON PROBLEM BASED LEARNING APPROACH TO INCREASE 7TH GRADE student’s CREATIVE THINKING SKILLS. Journal of Science Education Research, [S. l.], v. 1, n. 1, 2017. DOI: 10.21831/jser.v1i1.16179. Disponível em: https://jurnal.uny.ac.id/index.php/jser/article/view/16179. Acesso em: 19 jun. 2025.