Nazifah, Naurah, and Asrizal Asrizal. “Development of STEM Integrated Physics E-Modules to Improve 21st Century Skills of Students”. Jurnal Penelitian Pendidikan IPA 8, no. 4 (October 31, 2022): 1783–1789. Accessed April 27, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/1820.