Elfituri س.ع., نفيسة حسن القماطي, فطيمة محمود راشد and المهدي بشير طريش 2025. Using some plant leaves as ion-exchange materials to separate and estimate thorium (Th) in radioactive waste water and measuring it using alpha and optical spectrometers. Sebha University Conference Proceedings. 4, 3 (Oct. 2025), 83–87. DOI:https://doi.org/10.51984/sucp.v4i3.4164.