Omelihu, M. N. “Assessment of Knowledge and Preventive Behavior Against Influenza A (H1N1) Among International Students at Chulalongkorn University Bangkok Thailand”. Journal of Health Research, vol. 24, no. Suppl. 2, Nov. 2018, pp. 1-7, https://he01.tci-thaijo.org/index.php/jhealthres/article/view/157124.