Samadi, Hamid Reza. “Evaluation of Toyserkan City Water Contamination, Due to the Existence of Radon, and Estimation of the Annual Effective Dose”. JOURNAL OF ADVANCES IN MATHEMATICS 2, no. 1 (September 24, 2013): 45–52. Accessed January 28, 2026. https://www.rajpub.com/index.php/jam/article/view/6540.