Sukma, Izza Melati, Aditya Marianti, and Ellianawati. 2023. “Development of an E-Book Based on STEM-Integrated Creative Problem Solving on Environmental Change Material to Improve Students’ Critical Thinking and Creative Thinking”. Jurnal Penelitian Pendidikan IPA 9 (8):6111-21. https://doi.org/10.29303/jppipa.v9i8.4356.