Nipaporn Tewawong และ Yong Poovorawan. (2016) Molecular epidemiology and evolution of influenza a and b viruses. Chulalongkorn University:ม.ป.ท.Nipaporn Tewawong และ Yong Poovorawan. 2016. Molecular epidemiology and evolution of influenza a and b viruses. ม.ป.ท.:Chulalongkorn University;Nipaporn Tewawong และ Yong Poovorawan. Molecular epidemiology and evolution of influenza a and b viruses. ม.ป.ท.:Chulalongkorn University, 2016. Print.