[1]
Nguyen Duc Son et al. 2026. THE CURRENT STATUS OF MATHEMATICAL COMPETENCY AMONG GRADE 9 STUDENTS FROM SIX SECONDARY SCHOOLS IN HO CHI MINH CITY. HNUE Journal of Science: Journal of Educational Science. 71, 6 (Oct. 2026), 107–117. DOI:https://doi.org/10.18173/2354-1075.2026-%x.