Thi Hong Hanh, N., Thi Huyen Trang, K., & Thi Thanh Huyen, N. (2025). PREVALENCE OF MALNUTRITION AMONG PRESCHOOL CHILDREN: A CROSS-SECTIONAL STUDY AT THUONG LY KINDERGARTEN, HAI PHONG CITY, AND NGUYEN DU KINDERGARTEN, HA TINH CITY. Journal of Science Natural Science, 70(1), 100-109. https://doi.org/10.18173/2354-1059.2025-0012