P. Gray
发表
John R. Dalphin,
P. Gray,
J. Williamson,
2007
.
John R. Dalphin,
P. Gray,
J. Williamson,
2007
.
P. Gray,
M. Apgar,
Alfredo Ortiz Aragón,
2019,
Action Research.
P. Gray,
1990
.
P. Gray,
1991
.
P. Gray,
L. Wilson,
1993
.
P. Gray,
Phyllis A. Meighen,
1980
.
P. Gray,
J. Williamson,
D. Karp,
2007
.
P. Gray,
J. Williamson,
D. Karp,
2007
.
P. Gray,
1995
.
P. Gray,
1991
.
P. Gray,
1976
.
P. Gray,
D. Karp,
L. Holmstrom,
2011
.
P. Gray,
D. Karp,
L. Holmstrom,
2004
.
P. Gray,
F. Luyckx,
1988
.
P. Gray,
1980
.
P. Gray,
1977
.
P. Gray,
D. Karp,
Boston Colrege,
2016
.
David A. Karp,
Paul S. Gray,
Lynda Lytle Holmstrom,
1998
.
S. Kjellström,
H. Bradbury,
V. Friedman,
2020
.
P. Gray,
D. Karp,
L. Holmstrom,
2002
.
P. Gray,
J. Williamson,
D. Karp,
2007
.
P. Gray,
1980
.
Victor J. Friedman,
Alfredo Ortiz Aragón,
H. Bradbury,
2019,
Action Research.
P. Gray,
J. Williamson,
D. Karp,
2007
.