Odintsova, Svetlana, Karaganda Buketov University (Kazakhstan)
Oktariani, Mutiya, Universitas Pendidikan Indonesia (Indonesia)
Oktriyanto, Oktriyanto, Family Planning and Family Development Research and Development Center, National Population and Family Planning Board
Omar Ali, Aliamat, Sultan Hassanal Bolkiah Institute of Education, Universiti Brunei Darussalam (Brunei Darussalam)
Ong, Eng Tek, Sultan Idris Education University (Malaysia)
Ong, Eng-Tek, Universiti Pendidikan Sultan Idris
Oryngaliyeva, Sholpan O., Alikhan Bokeikhan University (Kazakhstan)
Oseda, Dulio, Universidad Nacional De Cañete (Peru)
Othman, Nor Hafiza, Universiti Malaysia Kelantan, Malaysia (Malaysia)
Othman, Norasmah, Universiti Kebangsaan Malaysia (Malaysia)
Otynshina, Galiya, Karaganda Buketov University (Kazakhstan)
Oviawe, Jane Itohan, Ambrose Alli University (Nigeria)

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