Zulkifli, Zulkifli, Azhar Azhar, and Dina Syaflita. “Application Effect of PhET Virtual Laboratory and Real Laboratory on the Learning Outcomes of Class XI Students on Elasticity and Hooke’s Law”. Jurnal Penelitian Pendidikan IPA 8, no. 1 (January 28, 2022): 401–407. Accessed April 20, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/1274.