J. Ryan
发表
J. Kannaiyan,
Y. Nene,
M. Reddy,
1984
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J. Ryan,
M. Oppen,
1985
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R. Sarin,
J. Ryan,
R. Ghodake,
1980
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J. Garrett,
J. Ryan,
2005
.
J. Ryan,
M. Oppen,
1984
.
J. Ryan,
1999
.
R. Sarin,
J. Ryan,
R. Ghodake,
1981
.
J. Ryan,
1984
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International Workshop on Socioeconomic Constraints to Development of Semi-Arid Tropical Agriculture
J. Ryan,
H. L. Thompson,
1980
.
J. Ryan,
J. G. Ryan,
D. C. Spencer,
2001
.
Xin Meng,
J. Ryan,
2007,
SSRN Electronic Journal.
T. Walker,
J. Ryan,
T S Walker,
1990
.
J. Ryan,
1977
.
J. S. Davis,
J. Ryan,
P. Oram,
1987
.
P. Thornton,
R. Reid,
T. Robinson,
2001
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Patricia M. Kristjanson,
Philip K. Thornton,
Thomas F. Randolph,
2000
.
J. Ryan,
R. Ghodake,
1981
.
T. Walker,
J. Ryan,
1990
.
J. Ryan,
R. Duncan,
1974
.
J. Ryan,
M. Fitzgerald,
Brendan Wafer,
2008
.
J. Ryan,
M. Asokan,
1977
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A. Mccalla,
J. Ryan,
1992
.
J. Ryan,
S. Virmani,
L. Swindale,
1982
.
T. Kelley,
J. Ryan,
B. K. Patel,
1995
.
J. Ryan,
2003
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H. P. Binswanger,
J. Ryan,
2014
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T. Wallace,
J. Ryan,
2011
.
Xin Meng,
J. Ryan,
2004
.
H. Gregersen,
T. Kelley,
J. Ryan,
2008
.
Xin Meng,
J. Ryan,
2007,
SSRN Electronic Journal.
J. Ryan,
R. Ghodake,
1980
.
J. Ryan,
D. Spencer,
2001
.