Chaiyosang N, Sommart J. Applying an ecological model to investigate the implementation situations of child development aged 0-5 years in Na Nong Tum Community, Khon Kaen. ubruphjou [internet]. 2023 Aug. 30 [cited 2026 Sep. 25];12(2):26-35. available from: https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/261689