Aly, Kamal I., Jingjiang Sun, Dirk Kuckling, and Osama Younis. “Polyester Resins Based on Soybean Oil: Synthesis and Characterization.”https://doi.org/10.1007/s10965-020-02244-9__Journal of Polymer Research 27 (2020).https://doi.org/10.1007/s10965-020-02244-9 .