A. Zare, A. Hasaninejad, A. Reza Moosavi-zare, A. Parhami, and A. Khalafi-Nezhad, “A Conversion of Carboxylic Acids to Amides under Microwave Irradiation”, ajc, vol. 21, no. 2, pp. 1090–1096, Mar. 2010.