by I Essien, U, Amechi, K, Madu, K, Ede, O, Iyidobi, E, Anyaehie, U, Obadaseraye, O, Ogbonnaya, I, Ogbu, D, Ngwangwa, C
Published in Nigerian journal of clinical practice (01.07.2023)

by Igwilo, I O, Ogoke, T J, Ogbu, D O, Igwilo, S N, Obi, E, Abdulsalami, M S
Published in Pakistan journal of biological sciences (2013)

by Bayem, M V, Oriaran, M B, Olugbade, A C, Ogbu, D O
Published in International journal of caring sciences (01.05.2019)

Published in AllAfrica.com (21.09.2023)

Published in AllAfrica.com (08.01.2012)

Published in AllAfrica.com (17.07.2013)

by Akkari, Abdeljalil
Published in Bildungsforschung und Bildungspraxis = Education et recherche (03.12.2007)

by Berthelot, Jean-Marie, Ross, Nancy, Tremblay, Stephane
Published in Education quarterly review (01.09.2001)