THE EFFECT OF PROBLEM-BASED LEARNING WITH EXPERIMENT ON STUDENTS’ RESPONSES AND LEARNING OUTCOME IN THE REFLECTION AND REFRACTION CONCEPT LEARNING. Proceedings of the International Conference on Applied Science and Health, [S. l.], n. 2, p. 164–170, 2017. Disponível em: https://www.inschool.id/publications/index.php/icash/article/view/894.. Acesso em: 25 may. 2026.