RESEN, Ayad Hussein. Assessment of Natural Background Gamma Radiation Levels in Different Areas of Najaf Governorate, Iraq. International Academic Journal of Innovative Research, [S. l.], v. 13, n. 2, p. 127–132, 2026. DOI: 10.71086/IAJIR/V13I2/IAJIR1332. Disponível em: https://iaiest.com/iaj/index.php/IAJIR/article/view/IAJIR1332. Acesso em: 17 sep. 2026.