Kiki Aryaningrum, Tri Janatul Hikmah, Wuliasih Selfiana Sari, Jannah, B. F., Bagus Ran’nur Firdaus, & Emilia. (2026). The Application of the Problem Based Learning (PBL) Model in Improving Mathematical Problem-Solving Skills in Elementary Schools. Journal of Practice Learning and Educational Development , 6(3). https://doi.org/10.58737/jpled.v6i3.1331