M. Okpara
发表
Ile Ife,
M. Okpara,
Moor Plantation,
2013
.
M. Okpara,
2010
.
M. Okpara,
M. Okpara,
2020
.
M. Okpara,
2013
.
M. Okpara,
A. Ani,
2019,
Asian Journal of Advances in Agricultural Research.
N. Yanaka,
M. Okpara,
H. I. Umar,
2021,
Journal of Genetic Engineering and Biotechnology.
M. Okpara,
2021
.
G. S. Ojewola,
M. Okpara,
I. Agbakuru,
2004
.
M. Okpara,
2009
.
Melody,
Ndidi,
Modebelu,
2014
.
M. Okpara,
2022
.
O. Chukwuemeka,
M. Okpara,
2014
.
M. Okpara,
U. C. Clifford,
U. Chinyere,
2015
.