Doungsuwan S, Techawattanasiridumrong W. The School Lunch Project Administration Under School in Ayutthaya Primary Educational Service Area Office 1. jma [internet]. 2021 Aug. 28 [cited 2026 Aug. 27];8(2):341-56. available from: https://so04.tci-thaijo.org/index.php/JMA/article/view/252442