R. Babula
发表
D. Bessler,
R. Babula,
Warren S. Payne,
2003
.
David A. Bessler,
D. Bessler,
R. Babula,
1987
.
R. Babula,
J. Penson,
1988
.
Daowei Zhang,
R. Babula,
2018,
Empirical Economics.
R. Babula,
Lill Andersen,
H. Hartmann,
2007
.
D. Bessler,
R. Babula,
2002
.
D. Bessler,
R. Babula,
1990,
Journal of Agricultural and Applied Economics.
D. Bessler,
R. Babula,
A. Somwaru,
2004
.
D. Bessler,
R. Babula,
A. Somwaru,
2004
.
Daowei Zhang,
R. Babula,
2019
.
R. Babula,
M. Lund,
2015
.
R. Babula,
Roger L. Corey,
2004
.
C. Jabara,
R. Babula,
Johannes Reeder,
1996
.
D. Bessler,
R. Babula,
Warren S. Payne,
2014
.
D. Bessler,
R. Babula,
Warren S. Payne,
2004,
Journal of Agricultural and Applied Economics.
R. Babula,
K. Rich,
2001
.
R. Babula,
2001
.
C. Jabara,
R. Babula,
1999
.
Wusheng Yu,
R. Babula,
2015
.
R. Babula,
Robert A. Rogowsky,
Douglas Newman,
2006
.
D. Bessler,
R. Babula,
Robert A. Rogowsky,
2006
.
D. Bessler,
R. Babula,
Robert A. Rogowsky,
2005
.
R. Babula,
Douglas Newman,
2005
.
R. Babula,
A. Somwaru,
S. Langley,
2005
.
R. Babula,
J. R. Coleman,
B. Gehrke,
2004
.
R. Babula,
T. McCarty,
Douglas Newman,
1998
.
B. Larue,
R. Babula,
1994
.
R. Babula,
S. Lim,
2013
.
O. Capps,
R. Babula,
2019,
Journal of Agricultural and Applied Economics.
Wusheng Yu,
R. Babula,
2011
.
R. Babula,
Gregory D. Wozniak,
1992
.
R. Babula,
Robert Remain,
1990
.
R. Babula,
T. Covey,
1990
.
Fred J. Ruppel,
D. Bessler,
R. Babula,
1995
.
D. Miljković,
R. Babula,
2016
.
R. Babula,
1987
.
Agapi Somwaru,
R. Babula,
A. Somwaru,
1992
.
R. Babula,
Robert A. Rogowsky,
2006
.