Astuti, Irnin Agustina Dwi, Dasmo Dasmo, and Nurullaeli Nurullaeli. “The Use of Pocket Mobile Learning to Improve Critical Thinking Skills in Physics Learning”. International Journal of Recent Contributions from Engineering, Science & IT (iJES) 6, no. 4 (December 19, 2018): pp. 80–86. Accessed April 26, 2024. https://online-journals.org/index.php/i-jes/article/view/8877.