Alharbi, W.R., Abbady, A.G.E. and El-Taher, A. (2015) “Radon Concentrations Measurement for groundwater Using Active Detecting Method”, American Scientific Research Journal for Engineering, Technology, and Sciences, 14(1), pp. 1–11. Available at: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/883 (Accessed: 15 October 2025).