1
Walczyk, Jeffrey J.
| A.P.A. |
1989
2
Walczyk, Jeffrey J.
| A.P.A. |
1989
3
Walczyk, Jeffrey J.
| A.P.A. |
1990
4
Walczyk, Jeffrey J.
| American Psychological Association |
2006
5
Walczyk, Jeffrey J.
| American Psychological Association |
2007
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