Tohir, Toto, Iim Wasliman, Yosal Iriantara, and Supyan Sauri. “Multimedia Based Learning in the Basic Lessons of Electricity and Electronics to Improve SMK Student Competency”. International journal of business, economics & management 4, no. 1 (May 24, 2021): 219-224. Accessed July 16, 2024. https://sloap.org/journal/index.php/ijbem/article/view/1522.