Setuju S, Rahmat Setiadi B, Ratnawati D, Widowati A, Wijayanti A, Bintoro Johan A, et al. Development E-Learning to Improve Student Activity with Technological Pedagogical and Content Knowledge. IJET [Internet]. 2018 Mar. 10 [cited 2024 Sep. 27];7(2.5):100-3. Available from: https://sciencepubco.com/index.php/ijet/article/view/13961