Singh, Lakshman, Deepak Kumar Sharma, Upma Singh, and Alok Kumar. 2016. “Synthesis and Spectral Studies of Cu(II) Coordination Compounds of 4[N-(cinnamalidene)amino] Antipyrine Semicarbazone”. Asian Journal of Chemistry 16 (2):577-80. https://asianpubs.org/index.php/ajchem/article/view/14491.