J. Onjala
发表
J. Onjala,
2002
.
J. Onjala,
2002
.
J. Onjala,
2007
.
T. Sterner,
J. Onjala,
B. Olsson,
2011
.
J. Onjala,
P. Musyoka,
L. Mureithi,
2020
.
J. Onjala,
2009
.
Richard R. Marcus,
J. Onjala,
2008
.
J. Onjala,
J. Stage,
S. Ndiritu,
2014
.
J. Onjala,
Gideon Mukui,
J. Awiti,
2019,
Journal of Economics, Management and Trade.
J. Onjala,
2008
.
J. Onjala,
2008
.
Joseph Onjala,
J. Onjala,
2008
.
J. Onjala,
2002
.
J. Onjala,
P. Musyoka,
L. Mureithi,
2019,
Journal of Economics and Sustainable Development.
J. Onjala,
E. Manga,
2016
.
J. Onjala,
P. Musyoka,
L. Mureithi,
2021,
Development Studies Research.
O. A. K'akumu,
J. Onjala,
O. A. K’Akumu,
2016
.