Teklemariam T T, Milkesa Gebeyehu, Abreham Alemu. Naturally Occurring Radioactive Materials Measurement of Mineral soil in South-East of Ethiopia. EJES [Internet]. 2023May27 [cited 2024Jul.3];18(1):57-5. Available from: https://journals.ju.edu.et/index.php/ejes/article/view/4582