1. Aerial gamma ray spectrometric exploration of the Umm Naggat granite pluton, Eastern Desert, Egypt;Ammar;Ann. Geol. Surv. Egypt,1991
2. Background radiological hazard associated with local building materials around Zaria, Nigeria;Arabi;Radiochemistry,2015
3. NORM, radon emanation kinetics and analysis of rocks-associated radiological hazards;Arabi;J. Environ. Earth Sci.,2016
4. Natural radioactivity of Australian building materials, industrial wastes and by-products;Beretka;Health Phys.,1985
5. The Geology of Parts of Adamawa, Bauchi and Bornu Provinces in North - Eastern Nigeria;Carter,1963