Nuannuaeng, W. “Self-Care Behaviors of Village Health Volunteers in the Prevention of Coronavirus Disease 2019, Banphaeo District, Samut Sakhon Province”. Journal of Phrae Public Health for Development - วารสารสาธารณสุขแพร่เพื่อการพัฒนา, vol. 3, no. 1, June 2023, pp. 72-88, https://thaidj.org/index.php/jpphd/article/view/13483.