Chueakul N, Obmasui M, Sommart J, Auiwattanakul P. Knowledge and Literacy of Health Products and Online Advertising among The Elderly in Bueng Niam sub-district, Muang District, Khon Kaen. ubruphjou [internet]. 2025 Aug. 29 [cited 2025 Dec. 7];14(2):15-24. available from: https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/270686