SHAFIEE, G., M. GHAEDI, A. TAGHVAMANESH, and A. MOHAMADIZADEH. 2010. “Sensitized Spectrophotometric Determination of Cu(II) Ion Using Α-Benzoin Oxime in Surfactant Media”. Asian Journal of Chemistry 19 (2):1065-74. https://asianpubs.org/index.php/ajchem/article/view/20172.