Sanlung, Thanachai, Korrakot Soitong, Krisana Thawisap, Pruet Areesawangvong, Theerin Lanamtieng, Wannisa Komonpaisarn, Piyathida Kuhirunyaratn, and Thannapat Disthapornchareon. 2013. “Factors Associated With the Uptake of Influenza Vaccine Among the Health Care Workers and Personal Staff in Faculty of Medicine, Khon Kaen University”. Srinagarind Medical Journal 28 (2):229-38. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/11061.