Fayakuun, Muhammad, and Arief Agoestanto. “Research Trends on Flipped Classrooms of Mathematics Creative Thinking, Critical Thinking, and Problem-Solving Skills”. Jurnal Elemen 9, no. 2 (July 31, 2023): 558–577. Accessed May 9, 2024. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/15150.