KAREEM, I. M.; ABDULKAREEM, L. A.; AL-BARUDI, H. I. Surface and Deep Soil 222Rn Gas Exhalation Comparison: A Case Study in Tawke, Duhok, Northern Iraq. Engineering, Technology & Applied Science Research, Greece, v. 9, n. 5, p. 4741–4744, 2019. DOI: 10.48084/etasr.3086. Disponível em: https://etasr.com/index.php/ETASR/article/view/3086. Acesso em: 16 may. 2022.