N. Thi Hong Hanh and N. My Duyen, “DISTRIBUTION OF BMI-FOR-AGE Z-SCORES BY SEX AND GRADE AMONG STUDENTS AT DAI DONG PRIMARY SCHOOL, NGHE AN PROVINCE IN 2025”, HNUE JoNS, vol. 71, no. 2, pp. 99–109, Jun. 2026, doi: 10.18173/2354-1059.2026-0025.