Obando, Joy A., Department of Geography, Kenyatta University, Kenya, 43844, Nairobi
Obasi, Philip Njoku, Department of Geology, Ebonyi State University, Ebonyi State, Nigeria
Odewumi, S.C., <p>Geology Technology, Department of Science Lab Technology, University of Jos, Jos, 930003, Nigeria</p>
Ogwah, Christoper, Department of Geology, Ebonyi State University, Ebonyi State, Nigeria
Ogwah, Christopher, Department of Geology, Ebonyi State University, Abakaliki Ebonyi State Nigeria
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>
Oke, Saheed Adeyinka, <p>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</p>
Okonkwo, Stellamaris Isioma, <p>Department of Geology, Federal University of Technology, Owerri, Owerri, Imo State, 460114, Nigeria</p>
Olorun, Olusola A. Ola, Department of Geology, Ekiti State University, Ado-Ekiti, Nigeria
Onwuka, C. D., Department of Environmental and Applied Biology, Imo State University Owerri, Nigeria
Oparaocha, E. T., Department of Public Health, Federal University of Technology, Owerri, Imo State, Nigeria
Oriasi, Miebaka, University of Port Harcourt, River State, Nigeria
Osanyintuyi, Abiola John, <p>Key Laboratory of Submarine Geosciences and Prospecting Techniques, College of Marine Geosciences, Ocean University of China, Qingdao 266100, China</p>
Osok, Rafael, <p>Soil Science Department, Faculty of Agriculture, Pattimura University, Ambon,&nbsp;97233, Indonesia</p>
Ouattara, Sahouarizié Adama, <p>Laboratoire des Sciences de la Matière, de l’Environnement et de l’Energie Solaire, Université Félix Houphouët-Boigny,22 BP 582 Abidjan 22, Abidjan, Côte d’Ivoire</p>
Ouchra, Hafsa, <p>Laboratory of Information Technology and Modeling LTIM, Faculty of Sciences Ben M’sik, Hassan II University, Casablanca, 20242, Morocco</p>
Ouchra, Hafsa, <p>Laboratory of Information Technology and Modeling LTIM, Faculty of Sciences Ben M’sik,&nbsp;Hassan II University, Casablanca, 20242, Morocco</p>
Ouchra, Hafsa, <p>Laboratory of Information Technology and Modeling LTIM, Hassan II University, Faculty of Sciences Ben M'sik, Casablanca, 20670, Morocco</p>
Oudghiri, Mahmoud, <p>Plant, Animal, and Agro-Industry Production Laboratory, Faculty of Sciences, Ibn Tofail University, Kenitra BP. 242, Kenitra 14000, Morocco</p>
Oyugi, Maurice O, Department of Architecture and Building Science, University of Nairobi, Kenya
Özbek, Sefa, <p>Department of Customs Management, Faculty of Applied Sciences, Tarsus University, Mersin&nbsp;66000, Turkey</p>

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