Desai, J.J., P.G. Desai, and A.G. Mehta. 2010. “2-Chloro-2’Hydroxy-4’-Ethoxychalcone Oxime As an Analytical Reagent for Copper(II)”. Asian Journal of Chemistry 12 (2):399-402. https://asianpubs.org/index.php/ajchem/article/view/22967.