Statistical Experimental Design for the Extraction of Ti(IV) in the Ti(IV)-SO42- (H+, Na+) – Cyanex 301 – Kerosene – 5% (v V) Heptane-1-Ol System. J. Sci. Res. 2018, 10 (3), 275-289. https://doi.org/10.3329/jsr.v10i3.35748.