Thongkum, Wisit, Jindawan Wibuloutai, and Sawan Thitisutthi. 2017. “Benzene and 1, 3 Butadiene Concentration and Its Potential Health Impact in Chiang Mai, Thailand”. European Journal of Sustainable Development 6 (2):187. https://doi.org/10.14207/ejsd.2017.v6n2p187.