Janpanya K, Klunklin P, Lertwatthanawilat W. Effects of the Health Belief Promotion Program on COVID-19 Preventive Behavior among Medical Patients in a University Hospital. J Royal Thai Army Nurses [internet]. 2025 Dec. 4 [cited 2026 Aug. 30];26(3):172-80. available from: https://he01.tci-thaijo.org/index.php/JRTAN/article/view/272358