Nirmala, W., and S. Darmawati. “The Effectiveness of Discovery-Based Virtual Laboratory Learning to Improve Student Science Process Skills”. Journal of Education Technology 5, no. 1 (April 8, 2021): 103–112. Accessed May 8, 2024. https://ejournal.undiksha.ac.id/index.php/JET/article/view/33368.