Abou El-Enein, S. .A., I. E. El Aassy, A. A. Rezk, E. .A . Manaa, and W. Kassab. “Uranium/Vanadium Separation from El-Sahu Carnotite-Bearing Kaolin, Southwestern Sinai, Egypt”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 15, no. 1, Apr. 2014, pp. 185-99, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/2091.