Santika, K. D., Suciati, S., & Antrakusuma, B. (2023). Effectiveness of the IDEAL Problem Solving Model Based onOpen-Ended Questions onthe Creative Thinking Skills of Grade VII Students. Phenomenon : Jurnal Pendidikan MIPA, 13(1), 47–61. https://doi.org/10.21580/phen.2023.13.1.15064