Pinontoan, Kinzie Feliciano, Mario Walean, and Chervando Chrisye Pinontoan. “Calculus Flipped Classroom: Pre-Class & In-Class Learning Outcomes and Students’ Perception”. International Journal on Emerging Mathematics Education 4, no. 2 (September 1, 2020): 63–72. Accessed November 4, 2024. https://journal.uad.ac.id/index.php/IJEME/article/view/16413.