Rahman, M. S., D. A. Begum, M. Alauddin, and M. F. Islam. “Solvent Extraction of Zn(II) from Aqueous Sulphate Media by Di(2-Ethylhexyl) Phosphoric Acid in Kerosene: Solvent Extraction of Zinc”. Biological Sciences - PJSIR, vol. 52, no. 4, June 2009, pp. 173-9, https://v2.pjsir.org/index.php/biological-sciences/article/view/543.