Ina Ulfa, and Riska rahmat kanigara. “The Application of The Problem Based Learning Model on Measurement Materials in Grade 3 of Elementary School”. JURNAL SINTAK 2, no. 2 (March 27, 2024): 50–59. Accessed November 24, 2024. https://journal.iteba.ac.id/index.php/jurnalsintak/article/view/222.