Yagan Asci, Mehtap, Aysegul Efendioglu, and Bekir Bati. 2012. “Determination of Nickel, Copper and Zinc in Water Samples After Cloud Point Extraction Using Ammonium O,O-Dicyclohexyldithiophosphate and Triton X-114 by Flame Atomic Absorption Spectrometry”. Asian Journal of Chemistry 24 (6):2497-2502. https://asianpubs.org/index.php/ajchem/article/view/9162.