O, Olaniyi, Department of Economics, University of Abuja, Federal Capital Territory, Abuja, Nigeria.
O, Tairu, Onawale, Department of Mechatronics Engineering, Yaba College of Technology, Nigeria
O M, Ojo, Department of Agricultural Extension and Rural Development, Ladoke Akintola University of Technology, Ogbomosho, Oyo State, Nigeria.
O S, Edori, Department of Chemistry, Ignatius Ajuru University of Education Rumuolumeni, Port Harcourt, Rivers State, Nigeria.
O., ADENIYI Paulina, Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Apata, Ibadan, Nigeria
O., Adeyanju,, Department of Chemistry, University of Jos, P.M.B 2084, Jos, Plateau State, Nigeria
O. Lucky, ONMONYA,, Research Fellow, Institute of Development Finance and Project Management, Nigeria
O. M., Abonama,, Department of Industrial Biotechnology, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City. Egypt
O.E., Agyeno,, Department of Plant Science Technology, University of Jos, Jos, Plateau State, Nigeria
O.F, Olotuah,, Department of Plant Science and Biotechnology, Adekunle Ajasin University, Akungba-Akoko, Ondo State, Nigeria
O.F., Anjorin,, Department of Science Laboratory Technology, University of Jos. Plateau State, Nigeria
O.I., Bejide,, Department of Quantity Surveying & Geoformatics, Auchi Polytechnic, Auchi, Nigeria.
O.M., Komolafe,, Department of Food Science Technology, Federal Polytechnics, Ilaro, Nigeria.
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.