A. A. Ulfa.S, Maimunah, T. Solfitri, and N. M. Hutapea, “Problem Based Learning Module on Linear Function to Facilitate Mathematical Problem-Solving Skills”, JELMaR, vol. 7, no. 1, pp. 44–54, Jun. 2026, doi: 10.37303/jelmar.v7i1.44.