ABDULLAH, K. O. . . . . . . . . . . .; HUSSIEN , A. M. .; AZZAWI , O. K. . . . . . .; SEDEEQ, S. Z. . Determining the Natural Radioactivity Level of Soil Samples from Halabja City . JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, [S. l.], v. 29, n. 2, p. 177–187, 2021. Disponível em: https://journalofbabylon.com/index.php/JUBPAS/article/view/3752. Acesso em: 18 oct. 2021.