Onyenwe, C .Y., Department of Early Childhood and Primary Education,, Nnamdi Azikiwe University, Anambra State (Nigeria)
Orji, Marcus Garvey, Department of Entrepreneurial Studies, Veritas University, Abuja, Nigeria (Nigeria)
Orji, Marcus Garvey
Ortega, Rodolfo González, Teaching Department of the Municipal University Branch Calixto García, University of Holguín, Holguín, Cuba (Cuba)
Osisanwo, Ayo, University of Ibadan, Ibadan, Nigeria (Nigeria)
Oti, Gladys O., University of Jos (Nigeria)
Owens-Ibie, Nosa
Oyedele, Oyenuga Michael
Oyetunde, Oladele Thomas
Pambudi, Setyo
Panda D, Fransiska, Master Student in State University of Medan (Unimed), (Indonesia)
Pane, Hanifah Sitorus, Master Student in State University of Medan (UNIMED), Medan (Indonesia)
Pane, Menneria, Universitas Terbuka, Indonesia (Indonesia)
Pane, Syafitria Rahma
Pangaribuan, Tangson R., Universitas Negeri Medan, Indonesia (Indonesia)
Pangaribuan, TR, Universitas Negeri Medan, Indonesia (Indonesia)
Pangestu, Deviyanti
Panggabean, Ruth Donda Eleonora, Universitas Sari Mutiara, Medan, Indonesia (Indonesia)
Panjaitan, Herry Purwanto, Chemistry Education, Faculty of Mathemathics and Natural Science, Universitas Negeri Medan, Indonesia (Indonesia)
Panjaitan, Togi, Mathematics Department, State University of Medan, Indonesia (Indonesia)
Pargito, Pargito
Parto, Parto, FKIP Jember University, East Java, Indonesia (Indonesia)
Parto, Parto, Universitas Negeri Surabaya, Indonesia (Indonesia)
Parvej, Md. Iftakhar, Department of Statistics, Noakhali Science and Technology University, Noakhali, Bangladesh (Bangladesh)
Pauya, Dolorcita Ebona, Professor VI, Sultan Kudarat State University, ACCESS, EJC Montilla, Tacurong City, Sultan Kudarat, Mindanao, Philippines (Philippines)

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