Paul E. Heckman
发表
Jian-Hua Liang,
Paul E. Heckman,
Jianlian Liang,
2012
.
Paul E. Heckman,
C. Sanger,
2001
.
Julian Weissglass,
Paul E. Heckman,
J. Weissglass,
1994
.
Paul E. Heckman,
1983
.
Paul E. Heckman,
Francine Peterman,
1996,
Teachers College Record: The Voice of Scholarship in Education.
Paul E. Heckman,
1995
.
Paul E. Heckman,
1993
.
Paul E. Heckman,
V. Montera,
2009,
Teachers College Record: The Voice of Scholarship in Education.
Paul E. Heckman,
J. Abedi,
Jianlian Liang,
2018
.
Paul E. Heckman,
J. Abedi,
Jianlian Liang,
2012
.
Paul E. Heckman,
1994
.
Paul E. Heckman,
J. Peacock,
Christine B. Confer,
1995,
Teachers College Record: The Voice of Scholarship in Education.
Paul E. Heckman,
C. Sanger,
2011,
New directions for youth development.
Paul E. Heckman,
1996
.