Azma, N., S. Mania, dan 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”. Alauddin Journal of Mathematics Education, Vol. 6, no. 1, Mei 2024, hlm. 1-23, doi:10.24252/ajme.v6i1.43850.