Ohiri, Reginald C, Department of Biochemistry, Faculty of Science, University of Port Harcourt, Nigeria.
Ohms, Gisela , HAWK University of Applied Sciences and Arts, Von-Ossietzky-Str. 99, 37085 Göttingen, Germany.
Ojekemi, Opeoluwaseun, Cyprus International University, Northern Cyprus Mersin, Faculty of Economics and Administrative Science Department of Business Administration, Turkey.
Ojonta, Obed I, Department of Economics University of Nigeria, Nsukka, Nigeria.
OK, Edwin, Aqualogic (pty) Ltd, Gaborone, Botswana
Okafor, Bartholomew .O.N., Department of Economics, Nile University of Nigeria, Nigeria.
Okafor, Bartholomew.O.N., Department of Economics, Nile University of Nigeria, Nigeria.
Okafor, Chinwuba, Department of Accounting, University of Benin, Benin City
Okan, Hepsen, Assistant Professor, Ankara University State Conservatory (Voice Department), Turkey.
Okanga, Anne Asiko, MScN, School of nursing and midwifery, Masinde Muliro University of Science and technology, Kenya
Okebiorun, E.O., Department of Agric. Economics, Faculty of Agriculture, Usmanu Danfodiyo University, Sokoto, Sokoto State, Nigeria
Okech, John Baptist, Department of Special Needs Studies, Faculty of Special Needs and Rehabilitation, Kyambogo University, Kyambogo, Uganda.
Okito, Misaki, Graduate School of Medical Technology, Kagawa Prefectural University of Health Sciences 281-1, Hara, Mure-cho, Takamatsu, Kagawa, Japan.
OKOLO, Bartholomew Onyekachi, Department of Biochemistry, University of Nigeria Nsukka, Nigeria
Okolo, Chukwuemeka Valentine, Department of Economics, University of Nigeria, Nsukka, Nigeria.
OKOLO, Chukwuemeka Valentine, School of Economics and Finance, Xi’an Jiaotong University, China.
Okon, Emmanuel O., Dept of Economics, Kogi State University, Kogi State, Nigeria.
Okon, Emmanuel Okokondem, Department of Economics, Kogi State University, Anyiba, Kogi State, Nigeria
Okon, Emmanuel Okokondem, Department of Economics, Kogi State University, Anyigba, Kogi State, Nigeria
Okon, Umoh, Enobong , Department of Agricultural Engineering, Akwa Ibom State University, Ikot Akpaden, P.M.B., 1167, Uyo, Nigeria.
Okorie, Chinasa , Department of Food Science and Technology, Michael Okpara University of Agriculture Umudike, P.M.B 7267 Umuahia, Abia State, Nigeria.
Okoro, Oseweuba Valentine, School of Science, Engineering and Technology, Abertay University
Okudan, Bilal, Adnan Menderes Universtiy, Sports Science Faculty, Turkey.
Okumu, Mary , University of Nairobi, Kenya.
Okumura, Shinji, Lecturer, Department of Education, Mukogawa Women's University, Japan