Ananda YD, Maimunah, Solfitri T. Development of contextual mathematics teaching materials to facilitate students’ problem-solving skills on systems of linear equations. JA [Internet]. 2024 Dec. 30 [cited 2026 Jun. 22];7(2):280-9. Available from: https://journal.upp.ac.id/index.php/absis/article/view/2656