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Obradovic, Dragan, Elementary School "Jovan Cvijic", Kostolac-Pozarevac, Teacher of Mathematics, Serbia
Obradovic, Dragan, Elementary School Teacher, Jovan Cvijic”, Kostolac-Pozarevac, Teacher of Mathematics, Serbia
Okeke, K. O., Federal University of Technology, Owerri, Nigeria (Nigeria)
Okeke, K. O., Federal University of Technology, Owerri (Nigeria)
Okoroji, L. I., Department of Logistics and Transport Technology, Federal University of Technology Owerri, Nigeria (Nigeria)
Okoroji, L. I., Federal University of Technology, Owerri (Nigeria)
Olowosaga, Fanny C., Lecturers, Department of Basic Science, Faculty of Science, Adeleke University, Ede, Osun State, Nigeria
Onifade, Abel P., Lecturers, Department of Basic Science, Faculty of Science, Adeleke University, Ede, Osun State, Nigeria
Onwuegbuchunam, D. E., Department of Maritime Technology and Logistics, Federal University of Technology, Owerri, Nigeria (Nigeria)
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ISSN: 2278–2273