Ji, Xianbing, Yinxia Chen, and Zuoyuan Shen. 2014. “Nano-SO42&Ndash;/TiO2/Catalyzed/Eco-Friendly/Esterification/of/Dicarboxylic/Acids”. Asian Journal of Chemistry 26 (17):5769-72. https://doi.org/10.14233/ajchem.2014.18202.