N. Mittapelly, K. Mukkanti, and B. Reddy Reguri, “Synthesis of 1,4-Disubstituted 1,2,3-Triazoles via Three Component Coupling of Alcohol, Azide and Alkynes Using CuO Nanoparticles”, ajc, vol. 25, no. 1, pp. 483–486, Aug. 2012.