Almuslet, N., & Mirgani, E. (2017). Identification of Heavy Metals in Some Water Sources in Khartoum State Using Laser Induced Breakdown Spectroscopy. International Journal of Sciences: Basic and Applied Research (IJSBAR), 35(2), 206-211. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7796