Siska, and Samsul Maarif. “The Science, Technology, Engineering, Mathematics (STEM)-Based Problem-Based Learning (PBL) Learning Model on the Numeracy Skills”. MIMBAR PGSD Undiksha 11, no. 2 (August 21, 2023): 209–215. Accessed July 17, 2024. https://ejournal.undiksha.ac.id/index.php/JJPGSD/article/view/64836.