Ferdiansyah, Ade Citia Dewi, and I Gusti Agung Ayu Wulandari. “RiTAS Application Oriented to Ausubel Learning Theory for Social Studies Content: Validity and Feasibility”. Journal of Education Technology 5, no. 1 (March 24, 2021): 113–122. Accessed July 18, 2024. https://ejournal.undiksha.ac.id/index.php/JET/article/view/32740.