Asharani G, Arisetyawan A. The The influence of the problem based learning (PBL) model through the traditional food-based ethnomathematics approach of flat building materials on the mathematical literacy ability of grade IV students. iconemcil [Internet]. 2026 Jul. 23 [cited 2026 Jul. 26];2(1):142-50. Available from: https://proceedings.upi.edu/iconemcil/article/view/1194