Narongchai W, Phutthanathanapa C, Prasertrungruang M. Livelihoods Strategies to Create Happiness of Elderly with Disabilities in Khon Kaen Smart City. JHS.TRU [internet]. 2022 Sep. 1 [cited 2026 Aug. 27];16(3):142-53. available from: https://so03.tci-thaijo.org/index.php/trujournal/article/view/257957