1. Nuclear Science Program, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, Malaysia
2. Department of Physics, Faculty of Science, Gombe State University, P.M.B. 127 Gombe, Nigeria
3. Centre for Frontier Science, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, Malaysia