Sukmawati, Dian, Wahyu Sopandi, and Atep Sujana. “The Application of Read-Answer-Discuss-Explain-and Create (Radec) Models to Improve Student Learning Outcomes in Class V Elementary School on Human Respiratory System”. International Conference on Elementary Education 2, no. 1 (March 6, 2020): 1734-1742. Accessed May 1, 2024. http://proceedings.upi.edu/index.php/icee/article/view/801.