ALHARBI, W. R.; ABBADY, A. G. E.; EL-TAHER, A. Radon Concentrations Measurement for groundwater Using Active Detecting Method. American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 14, n. 1, p. 1–11, 2015. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/883. Acesso em: 1 may. 2024.