FAUZI, Alex Haris; YUDHA, Firma. Development of Mathematics Learning Sets Based on Problem Solving on Two Variable Linear Equation System Topics. Indonesian Journal of Mathematics and Natural Science Education, [S. l.], v. 3, n. 1, p. 30–37, 2022. DOI: 10.35719/mass.v3i1.90. Disponível em: https://mass.uinkhas.ac.id/index.php/mass/article/view/90. Acesso em: 20 sep. 2024.