Qays Kamal Merza, and Abbas Rahi Raham. “Estimating the Health Risks of Natural Radioactivity in Drinking Water in Al-Nahrawan City”. Excellencia: International Multi-disciplinary Journal of Education (2994-9521) 2, no. 5 (May 13, 2024): 519–528. Accessed November 9, 2025. https://multijournals.org/index.php/excellencia-imje/article/view/966.