Sriphai, Aeiladawan, Titaporn Luangwilai, and Jadsada Kunno. “Associated Factors to COVID-19 Vaccine Service Among Older People, Bangkok, Thailand”. Journal of Medical and Public Health Region 4 14, no. 1 (March 8, 2024): 61–71. Accessed May 17, 2024. https://he01.tci-thaijo.org/index.php/JMPH4/article/view/263614.