Pinthong, Thaweesak, Pattaraporn Charoenbut, and Nopparat Songserm. 2020. “The effect of a food and nutrition management program for preschool children at Child Development Center in Tumbol Rai Noi, Ubon Ratchathani Province”. UBRU Journal for Public Health Research 9 (2):137-47. https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/241576.