Wungrath, Jukkrit, Nattiporn Onduang, Yupa Chanwikrai, and Chomnard Singhan. “Effectiveness of the nutritional promoting program on the growth of pre-school children in a child development center, Pongyangkok Sub-district, Hang Chat District, Lampang Province”. Journal of Public Health and Development 16, no. 2 (June 25, 2018): 1–13. accessed September 28, 2026. https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/105611.