Hasyim, Faiz, Tjipto Prastowo, and Budi Jatmiko. “The Use of Android-Based PhET Simulation As an Effort to Improve Students’ Critical Thinking Skills During the Covid-19 Pandemic”. International Journal of Interactive Mobile Technologies (iJIM) 14, no. 19 (November 24, 2020): pp. 31–41. Accessed April 28, 2024. https://online-journals.org/index.php/i-jim/article/view/15701.