UOSIF, M. .; MOSTAFA, A. . Assessment of Natural Radioactivity Levels in Soil and Chemical Fertilizers Widely used in Upper Egypt: Natural Radioactivity in Soil and Chemical Fertilizers. WAS Science Nature (WASSN) ISSN: 2766-7715, [S. l.], v. 3, n. 1, p. 1–7, 2020. Disponível em: https://worldascience.org/journals/index.php/wassn/article/view/10. Acesso em: 22 nov. 2024.