S. Sugiyanto, A. Setiawan, I. Hamidah, and A. A, “Integration of Mobile Learning and Project-Based Learning in Improving Vocational School Competence”, jtet, vol. 12, no. 2, pp. 55–68, May 2020, Accessed: Jul. 23, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/5470