Analytical Study Of The Radioactivity Of Some Asphalt Springs In The Heet City, Anbar Governorate, Iraq. International Journal of Environmental Sciences, [S. l.], p. 190–198, 2024. DOI: 10.64252/5psj2884. Disponível em: https://theaspd.com/index.php/ijes/article/view/409.. Acesso em: 24 oct. 2025.