Arantes, Joao, and Felipe Fregni. “Maximizing Learning in Online Courses Using Critical Thinking, Project-Based Learning, and Flipped Classroom Approaches”. Principles and Practice of Clinical Research 7, no. 2 (August 10, 2021): 25–36. Accessed April 4, 2025. https://journal2.teste.pro.br/index.php/ppcrjournal/article/view/149.