Listiana, W., Pasaribu, L. H., & Julyanti, E. (2024). The influence of the problem-solving learning model on students’ ability to understand concepts in solving mathematics story problems material systems of linear equations with two variables. Math Didactic: Jurnal Pendidikan Matematika, 10(1), 25-35. https://doi.org/10.33654/math.v10i1.2556