Nurkanti, M., & Setiani, A. (2019). The Conceptual Understanding of Prospective Teachers of Economic Education on Basic Natural Science Through Project-Based Learning Approach. Proceeding Interuniversity Forum for Strengthening Academic Competency, 1(1), 210 - 215. Retrieved from https://proceedings.conference.unpas.ac.id/index.php/ifsac/article/view/159