O, Ademila, Adekunle Ajasin University, Akungba Akoko, Ondo State, Nigeria
O. Akpootu, Davidson, Department of Physics, Usmanu Danfodiyo University Sokoto, Nigeria.
O.Fashina, Adebayo, Tubman University
Odnodvorets, L.V.
Ogbulezie, Julie, University of Calabar
Ojo, A.A, Obafemi Awolowo University
Ojo, Akintayo Olufemi, Osun State College of Education, Ilesa
Ojonugwa Daniel, Thomas, ALEX EKWUEME FEDERAL UNIVERSITY NDUFU ALIKE IKWO, EBONYI STATE, NIGERIA
Olarewaju, M.O, Obafemi Awolowo University
Olomiyesan, Boluwaji, National Examinations Council, Minna, Niger State, Nigeria
Oyedum, David O., Department of Physics, Federal University of Technology, Minna, Nigeria.
Oyedum, Onyedi, Federal university of Technology, Minna, nigeria
Oyewande, Oluwole Emmanuel, Department of Physics University of Ibadan, Ibadan
Oyewole, Oluwaseun, Baze University

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