Thongkum, Wisit, Jindawan Wibuloutai, and Sawan Thitisutthi. “Benzene and 1, 3 Butadiene Concentration and Its Potential Health Impact in Chiang Mai, Thailand”. European Journal of Sustainable Development 6, no. 2 (June 1, 2017): 187. Accessed March 28, 2024. http://ecsdev.org/ojs/index.php/ejsd/article/view/478.