Tripathy, D. B., and A. Mishra. “Convenient Synthesis, Characterization and Surface Active Properties of Novel Cationic Gemini Surfactants With Carbonate Linkage Based on C12-C18 sat./unsat. Fatty Acids”. Journal of Applied Research and Technology, vol. 15, no. 2, May 2019, doi:10.1016/j.jart.2016.12.004.