The Study of Radon/Thoron and Progeny Concentration in the District Muzaffarnagar, Uttar Pradesh, India Using SSNTDs. Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 61, n. 12, p. 991–997, 2023. DOI: 10.56042/ijpap.v61i12.2712. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/2712. Acesso em: 13 may. 2026.