Department of Radiologic Technology;
College of Applied Medical Science;
Qassim University;
Buraidah;
KSA;
Department of Radiotherapy;
College of Medical Radiologic Science;
Sudan University of Science & Technology;
Khartoum;
Sudan;
Department of Diagnostic Radiologic Technology;
College of Applied Medical Sciences;
Taibah University;
Medina;
KSA;
Department of Radiation Safeties;
Sudan Atomic Energy Commission;
Khartoum;
Sudan;