ناجي نايف ر. Measurement of Dose Distribution for Co – 60Teletherapy Unit. College of Basic Education Research Journal, [S. l.], v. 8, n. 4, p. 434–446, 2009. Disponível em: https://jeh.uomosul.edu.iq/index.php/berj/article/view/39895. Acesso em: 27 oct. 2025.