O
Obaidullah, Md., Northern University of Business and Technology Khulna (Bangladesh)
Octavianna, Yessy, Universitas HKBP Nommensen (Indonesia)
Octoveria, Emma Natasha, Universitas Gadjah Mada (Indonesia)
Okamura, Hiromu, University of Shizuoka (Japan)
Oktarina, Yeni, Universitas Sriwijaya (Indonesia)
Oktavia, Diana, Universitas Muhammadiyah Muara Bungo (Indonesia)
Oktavia, Yunisa, Universitas Putera Batam (Indonesia)
Oktavianti, Ikmi Nur, Universitas Ahmad Dahlan (Indonesia)
Oktavianus, Oktavianus, Department of Linguistics, Postgraduate Program, Universitas Andalas (Indonesia)
Ong, Eng Tek, Universiti Pendidikan Sultan Idris (Malaysia)
Ong, Eng Tek, University College Sedaya International (Malaysia)
Oshchepkova, Tamara, American University of the Middle East (Kuwait)
Otaki, Ayano, Shizuoka University (Japan)
Othman, Juliana, Universiti Malaya (Malaysia)
Oussou, Said, Moulay Ismail University (Morocco)
