C. Okaka
发表
R. Omoregie,
F. Akinbo,
Rapheal Mordi,
2009
.
C. Okaka,
M. Wogu,
2008
.
C. Okaka,
M. Wogu,
2008
.
F. Akinbo,
C. Okaka,
Aghogho Ikedje,
2013
.
R. Mordi,
C. Okaka,
2009
.
F. Akinbo,
C. Okaka,
Taiwo Olowookere,
2017
.
K. N. Bazuaye,
C. Okaka,
2022,
African Journal of Health Safety and Environment.
C. Okaka,
V. O. Okonkwo,
2017
.