Kim, Sung Eun; Harish, S. P.; Kennedy, Ryan; Jin, Xiaomeng; Urpelainen, Johannes (June 2020). "Environmental Degradation and Public Opinion: The Case of Air Pollution in Vietnam". The Journal of Environment & Development. 29 (2): 196–222. doi:10.1177/1070496519888252. S2CID214012421.
Kim, Sung Eun; Harish, S. P.; Kennedy, Ryan; Jin, Xiaomeng; Urpelainen, Johannes (June 2020). "Environmental Degradation and Public Opinion: The Case of Air Pollution in Vietnam". The Journal of Environment & Development. 29 (2): 196–222. doi:10.1177/1070496519888252. S2CID214012421.