SHAFIK, Shafik S. Measurement of background radiation, cosmic ray flux and their hazard parameter of Baghdad city districts. Iraqi Journal of Physics, Baghdad, Iraq., v. 14, n. 31, p. 179–187, 2019. DOI: 10.30723/ijp.v14i31.185. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/185. Acesso em: 26 mar. 2025.