Huu Hung, Truong, Nguyen Phuong Chi, and Tran Cuong. 2026. “DEVELOPING MATHEMATICAL LITERACY THROUGH AN INSTRUCTIONAL PROCESS: A GRADE 9 CASE STUDYON SOLVING SYSTEMS OF LINEAR EQUATIONS IN TWO VARIABLES”. Journal of Science Educational Science 71 (2): 115-26. https://doi.org/10.18173/2354-1075.2026-0030.