Nugroho W, , M, Arianto F. Twenty-First Century Instructional Design: Guiding Vocational Instructors Designing E-Module. jtet [Internet]. 2023 Mar. 30 [cited 2024 May 4];15(1):28-39. Available from: https://publisher.uthm.edu.my/ojs/index.php/JTET/article/view/11539