Study Of Natural Radioactivity And Radiological Parameters Of 238U, 232Th And 40K In Soil Samples. International Journal of Environmental Sciences, [S. l.], p. 351–354, 2024. DOI: 10.64252/t5f7ja22. Disponível em: https://theaspd.com/index.php/ijes/article/view/11477.. Acesso em: 8 dec. 2025.