Utami, A., P. Astuti, and A. P. Sandi. “STEM-Based Module Outline, Validity, Readability and Response towards Layout, Content and Utility Aspect”. Journal of Science Education Research 7, no. 1 (March 29, 2023): 55–66. Accessed May 15, 2025. https://jurnal.uny.ac.id/index.php/jser/article/view/51371.