O. Manaois, Jason, Graduate School, Polytechnic University of the Philippines, Sta Mesa, Metro Manila, Philippines (Philippines)
Octavian, Tomy, International Open University (IOU) Indonesia (Indonesia)
Oktavian, Chikita Irma, Fakultas Psikologi, Universitas Islam Negeri (UIN) Maulana Malik Ibrahim Malang (Indonesia)
Onah, Caleb, Rev. Fr. Moses Orshio Adasu University, Makurdi (Nigeria)
Otu, Mkpoikanke Sunday, Department of Educational Psychology, University of Johannesburg, South Africa (South Africa)
Otu, Mkpoikanke Sunday, Department of Educational Psychology, University of Johannesburg (South Africa)
Otumala, Bridget, Rev. Fr. Moses Orshio Adasu University, Makurdi (Nigeria)