Alvionita, Anita, Nurkholis Nurkholis, and Rinto Rinto. “Increased Student Motivation and Learning Outcomes Using the Grade 4 Problem Based Learning Model”. Jurnal Edusci 1, no. 2 (November 16, 2023): 55–66. Accessed November 11, 2026. https://annpublisher.org/ojs/index.php/edusci/article/view/102.