E. Napitupulu, S. Perangin-angin, and N. Sebayang, “Development of Indonesian National Qualification Framework-Based teaching models and materials for learning instructional media design Department of building Engineering education faculty of engineering state University of Medan”, ijaems, vol. 6, no. 1, Apr. 2020, Accessed: Jul. 22, 2024. [Online]. Available: https://journal-repository.com/index.php/ijaems/article/view/1844