Nugroho, Muh Khafid Wahyu, Peduk Rintayati, and Sandra Bayu Kurniawan. “The Effect of Mind Mapping-Based Problem Based Learning Model on Mathematical Reasoning Ability in Terms of Self-Efficacy”. Journal of Economic Education and Entrepreneurship Studies 7, no. 4 (August 8, 2026): 50–64. Accessed August 10, 2026. https://journal.feb-unm.com/index.php/JE3S/article/view/404.