Napattaradechanon K, Phattharasirisomboon P, Pronlerttaveekun S. Factor Influencing to Prevention of COVID-19 Infection among the Older Adults in Chaiyaphum Province. J Royal Thai Army Nurses [internet]. 2024 Apr. 10 [cited 2026 Sep. 2];25(1):230-8. available from: https://he01.tci-thaijo.org/index.php/JRTAN/article/view/266411