Oo, K.M., Lwin, S.M.M., L. Mon, K. and Win, H.H. 2022. COVID-19 risk perception and protective behaviour among service providers at Yangon international airport. International Journal Of Community Medicine And Public Health. 9, 3 (Feb. 2022), 1133–1140. DOI:https://doi.org/10.18203/2394-6040.ijcmph20220668.