J. Cobbina
发表
M. Jabbar,
J. Cobbina,
L. Reynolds,
1992,
Agroforestry Systems.
M. McDonald,
F. Sinclair,
B. Obiri,
2007,
Experimental Agriculture.
E. Sabiiti,
J. Cobbina,
1992,
Agroforestry Systems.
B. Kang,
J. Cobbina,
A. Atta-Krah,
1989,
Agroforestry Systems.
H. Adu-Dapaah,
E. Asare,
J. Cobbina,
1994,
The Journal of Agricultural Science.
E. Sabiiti,
J. Cobbina,
1992
.
G. O. Kolawole,
J. Cobbina,
A. Atta-Krah,
1990
.
M. McDonald,
L. Anglaaere,
B. Obiri,
2007,
Agroforestry Systems.
B. Duguma,
J. Cobbina,
A. Atta-Krah,
1990
.
M. Jabbar,
A. Larbi,
J. Cobbina,
1993,
Agroforestry Systems.
M. McDonald,
F. Sinclair,
L. Anglaaere,
2011,
Agroforestry Systems.
I. Ezenwa,
J. Cobbina,
L. Reynolds,
2004,
Agroforestry Systems.
A. N. Atta-Krah,
L. Reynolds,
C. M. di Domenico,
1991
.
J. Cobbina,
1991
.
I. Ezenwa,
J. Cobbina,
1991
.
K. Mulongoy,
J. Cobbina,
A. Atta-Krah,
1990
.
M. Jabbar,
A. Larbi,
J. Cobbina,
1993,
Experimental Agriculture.
C. Leeuwis,
T. Kuyper,
W. Werf,
2004
.
J. Cobbina,
1994,
Agroforestry Systems.
B. Kang,
J. Cobbina,
A. N. Attah-Krah,
1989
.
M. Jabbar,
J. Cobbina,
1990
.