Julia Ragab khleel, Ali SulaimanMohamed, Wail Hessen Alawad, Abdelnabi Ali ELamin, Bashir Alhaj Ahmed and Mubark Dirrar Abdallah 2022. Determining Ag in Rock Sample Using Gamma Detector and Some Different Spectral Techniques. Journal of The Faculty of Science and Technology. 9 (2) (Dec. 2022), 143 -. DOI:https://doi.org/10.52981/jfst.vi9 (2).2889.