O.O, Akharia, Department of Architectural Technology, Auchi Polytechnic, Auchi, Nigeria.
O.O., Abiona,, Department of Chemical Sciences, Osun State University, Osogbo, Osun State, Nigeria.
O.O., Awolu,, Department of Food Science and Technology, Federal University of Technology, Akure, Nigeria.
Oanh, Duong Thi Kim , Ho Chi Minh City University of Technology and Education, Vietnam.
Obasi, Emma, Department of Social Science Education, Faculty of Education, Imo State University, Owerri Nigeria
Obasi, Nneoma Elechi , Department of Food Science and Technology, Michael Okpara University of Agriculture Umudike, P.M.B 7267 Umuahia, Abia State, Nigeria.
Obeid, Rami, Head of Data Analysis & Management Division, Central Bank of Jordan, Amman, Jordan
Obeid , Rami , The University of Jordan, Jordan.
Obinna-Echem, Patience C., Department of Food Science and Technology, Rivers State University, Nkpolu Oroworukwo, Port Harcourt, Nigeria
Obinna-Echem, Patience C., Rivers State University, Department of Food Science and Technology, Nkpolu-Oroworukwo, Port Harcourt, Rivers State, Nigeria
Obinozie, OGWU Stephen , Department of Economics, Kingsley Ozumba Mbadiwe University, Ideato, Imo State, Nigeria.
Oboshi, Wataru, Department of Medical Technology and Sciences, International University of Health and Welfare, Narita Campus, Japan.
Obozua, Obehi Destiny, Department of Economics, University of Nigeria, Nsukka, Nigeria.
Ochagu, Ogar, Ohiama, Department of Economics, Cross River State College of Education, Akampka-Nigeria
Ocheje, Charles Bala, College of Education, Ankpa, Kogi State, Nigeria
OD, Alabi, Department of Nutrition and Dietetics, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
Odugbemi, Taiwo, Doctoral Candidate, Department of Economics, University of Abuja, Nigeria.
Oeamoum, Nutcha, School of Liberal Arts, University of Phayao, Thailand.
Offie, Ndubuisi N., Department of Agricultural Economics, University of Nigeria, Nsukka, Nigeria.
Oga, M.S., Department of Science and Technical Water and environmental engineering (DESTEGE), Félix Houphouët-Boigny University, Côte d’Ivoire
OGA, Marie-Solange, Department of Science and Technology of Water and Environmental Engineering, Faculty of Earth Sciences and Mineral Resources, University Felix Houphouet-Boigny, Abidjan, 22 BP 582, Côte d’Ivoire.
Ogbuabor, Jonathan E, Department of Economics University of Nigeria, Nsukka, Nigeria.
Ogbulogo, Charles, Department of Languages and General Studies, Covenant University, Nigeria.
Ogegbo, Ayodele Abosede, Department of Science and Technology Education, University of Johannesburg South Africa.
Ogiri, Itotenaan Henry, Co-Ordinator, Ph.D. International Collaboration Postgraduate Business School Gregory University, Uturu, Nigeria.

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