Bari, M. A., Hossain, M. I., & Miah, M. A. J. (2009). Synthesis of Acryclic Acid Ethyl Ester from Aldehydes Catalyzed by Copper Triflates. Journal of Scientific Research, 1(3), 635–640. https://doi.org/10.3329/jsr.v1i3.2473