Login New user?   Journal of Radiation and Nuclear Applications An International Journal   JRNA Home   Aim and Scope   For Reviewers   For Authors   Editorial Board   Publication Ethics   Processing Charges   Submit an Article   Content   Forthcoming Papers   Subscription Author     Name : Okpe, O. Michael Address : Department of Physics, Nasarawa State University, Keffi, Nigeria.Federal Ministry of Innovation, Science and Technology, Abuja, Nigeria. Email : mikeokpe2001@yahoo.com Telephone :   Home   About us   News   Journals   Conferences Contact us Copyright naturalspublishing.com. All Rights Reserved