Nulhakim, Lukman, Fajar Rizki Setiawan, and Asep Saefullah. “Improving Students’ Creative Thinking Skills Using Problem-Based Learning (PBL) Models Assisted by Interactive Multimedia”. Jurnal Penelitian & Pengembangan Pendidikan Fisika 6, no. 1 (June 30, 2020): 9 - 16. Accessed April 20, 2024. https://journal.unj.ac.id/unj/index.php/jpppf/article/view/12715.