Ninsiri, S., K. Thiangthangthum, K. Atsawawaranunt, P. Jampathong, and S. Toma. “Assessment of Knowledge and Self-Preventive Behaviors for COVID-19 Among Migrant Workers in Urban Areas”. INSTITUTE FOR URBAN DISEASE CONTROL AND PREVENTION JOURNAL, vol. 7, no. 1, Aug. 2022, pp. 106-21, https://he01.tci-thaijo.org/index.php/iudcJ/article/view/256537.