Poonthawe P, Junprasert S, Toonsiri C, Rattanagreethakul S, Intolo S, Luecha T. Factors Influencing COVID-19 Preventive Behavior among Older Adults in Eastern Thailand. Nursing [internet]. 2023 Nov. 28 [cited 2026 Sep. 28];18(1):36-52. available from: https://he01.tci-thaijo.org/index.php/NurseNu/article/view/263093