UNSCEAR (2000). United Nations Scientific Committee on the effects of Atomic Radiations. Sources and Effect of Ionizing Radiation, New York
Hamzah, Z, Riduan, S, D and Saar, A (2011). Assessment of Radiation Health risks in Cameron highlands tea Plantations. The Malaysians Journal of analytical Sciences 15(2), 130-137
Jibiri, N. N and Obarhua, S. T (2013). Indoor and outdoor gamma dose rate exposure levels in major commercial building materials distribution outlets and their radiological implication to occupants in Ibadan, Nigeria; Journal of natural sciences research; 25-31
Olubosede, O., Akinnagbe, O. B and Adekoya, O.(2012). Assessment of radiation emission from waste dumpsites in Lagos State, Nigeria. International journal of computational Engineering Research, 2(30 806-811
Odunaike, R. K, S. K. Alausa, O. A, Oyebanjo, G. C. Ijeoma and A. O. Alo, (2008). Measurement of radiation level in refuse dumps across Lagos metropolis, Southwestern Part of Nigeria. Environ. Res. J. 2: 174-176.
Imtiaz, M. A., B. Aleya, A. S. Molia and M. A. Zaman (2005). Measurement of radioactivity in books and calculation of resultant eye doses to readers. Health Phys. 88: 169-174.
Nyango, C. B (2006): Measurement of radiation dose rate of University of Jos main campus. BSc. Project. University of Jos.
Jwanbot, D. I; Izam, M. M. and Gambo, M. (2012). Measuring of indoor background ionizing radiation in some Science laboratories in University of Jos, Jos –Nigeria. Science World Journal 7(2) 5-8.
Etuk, S. E., George, N. J., Essien, I. E. and Nwokolo, S. C (2015). Assessment of radiation exposure levels within Ikot Akpaden Campus of Akwa Ibom State University, Nigeria. IOSR Journal of Applied Physics 7(3) 86-91.
Inyang, S. O., Inyang, I. S and Egbe, N. O.(2009). Radiation exposure levels within timber industries in Calabar, Nigeria. Journal of Medical Physics. 34(2) 97-100.
Chad-Umoren and Margaret A. (2007): Environment ionizing radiation distribution in Rivers State, Nigeria. Journal of Environmental Engineering and Landscape Management 18(2): 154-161.