Sukirman, Dadang, and Budi Setiawan. “Designing Multimedia Development for English Language Learning: Resources of Effective Instructional Process”. World Journal on Educational Technology: Current Issues 14, no. 4 (July 29, 2022): 1077–1093. Accessed April 30, 2024. https://un-pub.eu/ojs/index.php/wjet/article/view/7620.