RESTREPO GIRALDO, Alejandro; RAMÍREZ, Juan Sebastián. Estimation of radioactive activity by gamma spectroscopy. Revista Investigaciones y Aplicaciones Nucleares, [S. l.], n. 7, 2023. DOI: 10.32685/2590-7468/invapnuclear.7.2023.667. Disponível em: https://revistas.sgc.gov.co/index.php/invapnuclear/article/view/667. Acesso em: 31 ene. 2025.