Tri Wahyuningtyas, Dyah, Nury Yuniasih, Edy Bambang Irawan, and Susiswo . “Two-Dimensional Figure E-Modul With Contextual Teaching and Learning (CTL) Approach”. International Journal of Engineering & Technology 7, no. 3.4 (June 25, 2018): 276–278. Accessed April 27, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/19873.