Mohammed Mustapha, I.; Sadiq Tukur, R.; Mohammed, M.; Abdullahi Kana, M.; Suleiman Hamza, I.; Bello, A.; Sa’ad Aliyu, U. Outdoor Background Radiation Level and Radiological Hazards Assessment in Lafia Metropolis, Nasarawa State, Nigeria. ASEANA 2021, 1, 27-35.