Fadilah, Dea Aulia Nur, Elis Nurhayati, and Redi Hermanto. 2024. “Students’ Layer of Mathematical Understanding on the Material of Linear Equation One Variable in Terms of Self-Directed Learning”. International Journal of Applied Learning and Research in Algebra 1 (2):70-83. https://doi.org/10.56855/algebra.v1i2.1236.