R. Bickel
发表
Craig B. Howley,
Robert Bickel,
C. Howley,
2000
.
R. Bickel,
1998
.
C. Howley,
R. Bickel,
T. Williams,
2000
.
R. Bickel,
Cynthia Smith,
T. Eagle,
2002
.
Virgínia,
R. Bickel,
Harold D. Greer,
2012
.
R. Bickel,
N. Lowe,
1993
.
R. Bickel,
Meghan McDonough,
1997
.
Peter F. Lake,
R. Bickel,
1999
.
R. Bickel,
Martha J. Chang,
1985
.
M. Noland,
Gary E. McIlvain,
R. Bickel,
2011
.
Peter F. Lake,
R. Bickel,
1997
.
R. Bickel,
1961
.
Peter F. Lake,
R. Bickel,
W. Blackstone,
2002
.
G. Papagiannis,
S. Klees,
R. Bickel,
1982
.
R. Bickel,
T. Williams,
S. Weaver,
1997,
The Journal of educational research.
R. Bickel,
1974
.
G. Papagiannis,
R. Bickel,
Richard H. Fuller,
1983
.
C. Howley,
R. Bickel,
T. Williams,
2000
.
Craig B. Howley,
Robert Bickel,
C. Howley,
1999
.
Craig B. Howley,
Robert Bickel,
C. Howley,
2000
.
R. Bickel,
Robert J. Evans,
E. Pendarvis,
2000
.
R. Bickel,
A. Maynard,
2004
.
Virgínia,
R. Bickel,
Harold D. Greer,
2012
.
C. Howley,
R. Bickel,
2000
.
R. Bickel,
1989
.
R. Bickel,
1989
.
G. Papagiannis,
R. Bickel,
1988
.
R. Bickel,
2016
.
R. Bickel,
N. Gibbins,
1991
.
Craig B. Howley,
Robert Bickel,
C. Howley,
2002
.