O.A, Ajala, Department of Pure and Applied Mathematics Ladoke Akintola University of Technology, Ogbomoso
O.G, Udoaka, Akwa Ibom State University
O.M, Olayiwola, Federal University of Agriculture, Abeokuta, Nigeria
Obaid, Firas Jawad , Department of Mathematics, College of Education, University of Al-Qadisiyah, Diwaniya-Iraq
Obradovic, Dragan , Elementary school ”Jovan Cvijic”, Kostolac-Pozarevac, Teacher of Mathematics, Serbia
Obradovic, Dragan , Elementary school “Jovan Cvijic”, Kostolac-Pozarevac, Teacher of Mathematics, Serbia
ocalan, ozkan, akdeniz university
Oduor, Maurice, Department of Mathematics and computer science University of Kabianga
Oduor, Maurice, Maseno University, Maseno
Oduor, Owino M., University of Kabianga
Oduor, Owino Maurice, University of Kabianga P.O Box 2030-20200, Kericho, Kenya
Ogunsola, A.W.
Ogunsola, A.W., Ladoke Akintola University of Technology, Ogbomoso, Nigeria
ojako, samson Ogagoghene, University of Kwazulu-Natal
Okasha, Mahmoud K., Al-Azhar University - Gaza, Gaza - Palestine
Okolo, Abraham , Department of Statistics, Modibbo Adama University of Technology, Yola, Nigeria.
Oksana, Kubaychuk, Department of Applied Mathematics, National Aviation University, Kyiv
OKWONU, FRIDAY ZINZENDOFF, DELTA STATE UNIVERSITY
Olopade, I.A, Ladoke Akintola University of Technology, (LAUTECH), Ogbomoso, P.M.B. 4000, Ogbomoso, Oyo State
Olopade, IA, Ladoke Akintola University of Technology, (LAUTECH), Ogbomoso, P.M.B. 4000, Ogbomoso, Oyo State,
Oluwatoyin, Ajibola Saheed, National Open University of Nigeria
Olwamba, Levi Otanga , Department of Mathematics and computer science University of Kabianga
Olwamba, Otanga Levi, Masinde Muliro University of Science and Technology P.O. Box 190-50100, Kakamega, Kenya
Omer, Abdeen Mustafa, Energy Research Institute (ERI) Nottingham, NG7 4EU
Omran Karim, Mazen , Department of mathematics , College of Educations , University of Al-Qadisiyah , Iraq.

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