Michael Ohakwere-Eze
Department of Physics, Faculty of Sciences, Federal University of Kashere, Gombe, Nigeria
Rasaq Bello
Department of Physics, Faculty of Sciences, Federal University of Kashere, Port Harcourt., Nigeria
Joseph Ebeniro
Department of Physics, Faculty of Sciences, University of Portharcourt, Choba, Nigeria
Magnus Igboekwe
Department of Physics, Faculty of Sciences, Michael Okpara University, Umudike, Nigeria
Godswill Chukwu
Department of Physics, Faculty of Sciences, Michael Okpara University, Umudike, Nigeria
Milad Burki
Exploration dep. SOC, Cairo, Egypt