Okon, James
Okon, Margaret Mary
Okongo, Calvince
Okoro, Cornelius Christopher
Okoro, Kingsley
Okoroma, F. N.
Okosu, Napoleon David, Department of Economics, Veritas University, Abuja, FCT- Nigeria
Okosun, S. E.
Okoye, Chinedu
Okoye, Ebele. C., School of Public Health, Jackson State University Jackson, Mississippi, U.S.A
Okoye, Gregory Onuora
Okoye, K. R. E.
Okoye, P. I.
Okpako, J. E. F.
Okpon, Ekaette samuel
Oksana, Denisova
Okuda, Enji, Faculty of Education, Shiga University, Shiga, JAPAN
Okudaye, I. N., University of Delta, Agbor, Bayelsa and Delta states
Okul, Edwin Ochieng, a:1:{s:5:"en_US";s:21:"University of Nairobi";}
Okwelle, P. C
Okwilagwe, O. A.
Okwoche, V. A.
Okwong, OKON Emmanuel, Wesley University
Okwudili, Ajibo Stephen
Okwuwa, Charles Onuora, Ibrahim Badamasi Babangida University, Lapia, Niger State, Nigeria

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