Irfan, Irfan, Joni Rokhmat, and Ni Nyoman Sri Putu Verawati. “Development of Pictorial Riddle-Based Guided Inquiry Model Learning Devices to Improve Students’ Problem Solving Ability”. Jurnal Penelitian dan Pembelajaran Fisika Indonesia 5, no. 1 (June 26, 2023). Accessed November 21, 2024. https://jpfis.unram.ac.id/index.php/jppfi/article/view/206.