Ogwah, Christopher, Department of Geology, Ebonyi State University, Abakaliki Ebonyi State, Nigeria
Ogwah, Christopher, Department of Geology, Faculty of Sciences, Ebonyi State University, Abakaliki. P.M.B. 053, Ebonyi State, Nigeria
Ogwah, Christopher, Department of Geology, Faculty of Science Ebonyi State University, Abakaliki, Nigeria (Nigeria)
Ohanesian, Luiza Hryhorovna, <p>Department of Philology, T. H. Shevchenko National University “Chernihiv Colehium”</p>
Ohene, Eric, Kwame Nkrumah University of Science and Technology
Ohwo, Odafivwotu, <p>Department of Geography and Environmental Management, Niger Delta University, Wilberforce Island, Bayelsa State, 560103, Nigeria</p>
Ojeh, Vincent N., Department of Geography, Taraba State University, Jalingo, 660213, Nigeria
Ojewumi, Anthony W., Department of Botany, Lagos State University, Ojo, Lagos, 102101, Nigeria
Ojewumi, Titus Kolawole, <p><em>Department of Demography and Social Statistics, Faculty of Social Sciences, Obafemi Awolowo University, Ile-Ife, </em><em>220003, Nigeria</em></p>
Ojha, P N, National Council for Cement and Building Materials, Ballabgarh, Haryana, India
Ojha, P. N., National Council for Cement and Building Materials, Ballabgarh, Haryana, India
Ojo, O. J., Department of Geology, Federal University, Oye Ekiti State, Nigeria
Okafor, Ogochukwu Anastasia, School of Business Education, Federal College of Education (Technical), Umunze, Anambra State, Nigeria
Okangny, Dédé, Laboratory of Hydrobiology and Aquaculture (LHA), Faculty of Agricultural Sciences, University of Abomey-Calavi,01BP 526 Cotonou-Benin
Okara, G. O., Department of Physics, Nasarawa State University, Keffi, P.M.B. 1022, Nasarawa State, Nigeria
Okassa, Mireille Belle Mbou, Laboratory of Biodiversity and Animal Ecology, Faculty of Science and Technology, Marien Ngouabi University, BP 69, Republic of Congo
Oke, Saheed Adeyinka, <p>1. Department of Civil Engineering, Centre for Sustainable Smart Cities, Faculty of Engineering Built Environment and Information Technology, Central University of Technology Free State, Bloemfontein 9301, South Africa; 2. Department of Engineering, Faculty of Science, Applied Science &amp; Engineering, University of New Brunswick Saint John E2L 4L5, Canada</p>
Okerekeoti, Chinedu U., Department of Accountancy, Nnamdi Azikiwe University, Awka, Nigeria
Okiotor, M. Edirin, Department of Marine Geology, Nigeria Maritime University, Okerenkoko, Warri South, Delta State, 332105, Nigeria
Okogbue, Emmanuel Chilekwu , <p><em>Department of Meteorology and Climate Science, Federal University of Technology Akure, Ondo State 340252, Nigeria</em></p>
Okojie, V. U., Department of Chemistry, Ambrose Alli University Ekpoma, Nigeria
Okonji, Patrick Sunday, Department of Business Administration Faculty of Management Sciences University of Lagos, Akoka-Yaba, Lagos State
Okonkwo, S. I., Federal University of technology, Owerri, P.M.B. 1526, Owerri, Imo State, Nigeria
Okonkwo, Stellamaris Isioma, <p>Department of Geology, Federal University of Technology, Owerri, Owerri, Imo State, 460114, Nigeria</p>
Okpobiri, Okechukwu, Department of Geology, River State University, Rivers State, 500101, Nigeria

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