มุ่งทวีเกียรติ วรรณา. “EFFECTIVE OF KNOWLEDGE PROGRAM ON SELF -CARE PREVENTIVE BEHAVIOR OF COVID - 19 AMONG ELDERLY IN PATHUMTHANI PROVINCE”. Pathumthani University Academic Journal 13, no. 2 (December 29, 2021): 313–323. Accessed May 4, 2024. https://so05.tci-thaijo.org/index.php/ptujournal/article/view/253479.