Chansiri D, Singkha W, Sonrod S. Development of Environment to Increase Effectiveness for Elderly Workers in the Workplace. RMUTTO Social Journal [internet]. 2020 Jun. 25 [cited 2026 Sep. 28];9(1):50-9. available from: https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/243499