Pattanasupong, A., S. Tungsatitporn, S. Meeploy, and R. Wangdeetham. “Bioplastic sheet production from 1,3-Propanediol produced by raw Glycerol fermentation”. Asia-Pacific Journal of Science and Technology, vol. 17, no. 6, Apr. 2017, pp. 958-64, https://so01.tci-thaijo.org/index.php/APST/article/view/83756.