Akpan
发表
Akpan,
Odukwe,
Okorie,
2017
.
Akpan,
Akpan,
2003
.
Akpan,
2019
.
Akpan,
Etti,
I. Christopher,
2020
.
Akpan,
Ibekwe,
Adinya,
2013
.
Akpan,
Udo Usiere,
2016
.
Akpan,
Chukumati,
2013
.
Akpan,
G. Sylvester,
H. Dan,
2015
.
Akpan,
Nigeria.,
O. A. Ugwumba,
2017
.
Akpan,
2020
.
Akpan,
Bassey,
George,
2021
.
Akpan,
Ino-Ekanem,
2017
.
Akpan,
Danladi,
Nwachukwu,
2012
.
Akpan,
Okon,
Oku,
2013
.
Akpan,
Barber,
Isong,
2012
.
Akpan,
Umoh,
Okon,
2014
.
Akpan,
A. N. Ikot,
2022
.
Akpan,
Akpabio,
2019
.
Udo,
Akpan,
I. S.,
2014
.
Akpan,
Umoren,
Udoh,
2017
.
Akpan,
Eyo,
Effiong,
2010
.
Akpan,
E. Ekpe,
Mkpouto Udeme,
2010
.
Akpan,
Eshiet,
Itah,
2011
.
Akpan,
2014
.
Akpan,
A. Antai,
2014
.
Akpan,
S.,
Sa,
2020
.
Akpan,
P. Ogbonna,
V. Onyia,
2016
.
Akpan,
Akunne,
Ononye,
2016
.