Rahmah, Indana Failur, Apri Irianto, and Reza Rachmadtullah. “Problem Based Learning Models to Numeracy Literacy Skills : A Study in Elementary School”. Journal of Education and Teacher Training Innovation 1, no. 1 (August 31, 2023): 1–10. Accessed June 8, 2026. https://journal.pusmedia.com/JETTI/article/view/4.