YAHYA RAHAM, A.; D. AL-ATTABI, H. Study and calculation of the specific natural radioactivity of samples of Portland cement in Iraq using a high-purity germanium detector. Nexo Scientific Journal, [S. l.], v. 36, n. 06, p. 1141–1149, 2023. DOI: 10.5377/nexo.v36i06.17470. Disponível em: https://revistas.uni.edu.ni/index.php/Nexo/article/view/926. Acesso em: 17 may. 2024.