Olanya, Amos, Denis Okello, Bosco Oruru, and Akisophel Kisolo. 2023. “Natural Radioactivity Levels and Radiogenic Heat Production in River Sediments from Gulu and Amuru Districts, Northern Uganda”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 70 (1): 60-85. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/15917.