Ghazy, Shaban El-Sayed, Gaber Mohamed Abu El-Reash, Ola Ahmed Al-Gammal, and Tarek Mohamed Yousef. “Flotation-Separation of Toxic Metal Ions from Aqueous Solutions Using Thiosemicarbazide Derivatives As Chelating Agents and Oleic Acid As a Surfactant”. European Journal of Chemistry 1, no. 2 (June 15, 2010): 76–82. Accessed May 4, 2024. https://eurjchem.com/index.php/eurjchem/article/view/53.