พิสิษฐ์กุล ฉ. ., เมืองชื่น ส. . . and ธรรมชาวนา ว. . (2025) “DEVELOPMENT OF MODEL TO PROMOTE ACCESS TO VACCINE AGAINST CORONAVIRUS 2019 INFECTION IN RISK GROUP, PHAYAO PROVINCE”, Primary Health Care Journal (Northeastern Edition) . Khon Kaen, Thailand, 40(1), p. e15741. Available at: https://thaidj.org/index.php/pjne/article/view/15741 (Accessed: 6December2025).