Radon and Thoron Exhalation Rate Measurements in Soil Samples Collected from the Vicinity of a Thermal Power Plant. Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 61, n. 10, p. 869–873, 2023. DOI: 10.56042/ijpap.v61i10.2800. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/2800. Acesso em: 13 may. 2026.