Azma N, Mania S, Baharuddin. Development of A Diagnostic Test in The Form of A Three Tier Essay Test to Identify Understanding of Mathematical Concepts on The Material of The System of Linear Equations of Three Variables. ajme [Internet]. 2024May31 [cited 2024Nov.21];6(1):1-23. Available from: https://journal3.uin-alauddin.ac.id/index.php/ajme/article/view/43850