O., Achebulu A., Department of Science Education, Federal University of Agriculture, Makurdi (Nigeria)
Odili, Jones U., Department of Religious and Cultural Studies, Faculty of Humanities, University of Port Harcourt (Nigeria)
Ogutu, Anthony O., South Eastern Kenya University, Moi Ave, Nairobi (Kenya)
Ola, Bolanle, Department of Behavioural Medicine, Lagos State University College of Medicine (LASUCOM), 1-5 Oba Akinjobi Way, G.R.A., Ikeja, P.M.B. 21266, Lagos (Nigeria)
Olajide, Ayoola, African Sickle Cell News, P. O. Box 5952, Somolu 100007, Lagos State (Nigeria)
Olajide, Segun, African Sickle Cell News, P. O. Box 5952, Somolu 100007, Lagos State (Nigeria)
Olusola, Awonuga O., National Open University of Nigeria, 14/16 Ahmadu Bello Way, Victoria Island, Lagos (Nigeria)
Oluyemi, Samson, Mathematics department, FCT College of Education, Zuba (Malaysia)
Onditi, Hezron, University of Dar es Salaam, Dar es Salaam (Tanzania, United Republic of)
Opini, Bathseba, aUniversity of British Columbia, 2329 West Mall, Vancouver, BC V6T 1Z4 (Canada)
Orleans, Antriman V., Philippine Normal University, Ayala Blvd, Maynila
Owete, Kingsley I., Department of Religious and Cultural Studies, Faculty of Humanities, University of Port Harcourt (Nigeria)
Owusu-Akyem, Samuel, Department of Health and Medical Sciences, Presbyterian University College (Ghana)

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