Nguyen, T. T., T. H. Nguyen, A. T. Nguyen, and T. L. T. Nguyen. “Synthesis of Branched Conjugated Copolymers Based on Triphenylamine and 3-Hexylthiophene Units”. CTU Journal of Innovation and Sustainable Development , no. 05, Mar. 2017, pp. 95-100, doi:10.22144/ctu.jen.2017.011.