Octaviyana, Indah, Universitas Negeri Padang (Indonesia)
Ogbuanya, Chinyere Theresa, University of Free State (South Africa)
Ogbuanya, Chinyere Theresa, University of the Free State, Bloemfontein, South Africa (South Africa)
Ogbuanya, Chinyere Theresa, School of Education Studies, Faculty of Education, University of the Free State (South Africa)
Okeke, Chinedu I., University of Free State (South Africa)
Okeke, Chinedu Ifedi, University of the Free State, Bloemfontein (South Africa)
Oktari, Siska, Department of Psychology, Universitas Andalas (Indonesia)
Oktasari, Maria, Guidance and Counseling Department, Universitas Indraprasta PGRI, Jakarta, Indonesia (Indonesia)
Oktoriva, Amelia Syuhada, Universitas Negeri Jakarta (Indonesia)
Ossai, Osita Victor, University of Johannesburg (South Africa)
Osumah, Obaze Agbonluae, Ambrose Alli University (Nigeria)

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