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Experimental and Quasi-Experimental Designs ...
by Campbell, Donald T.; Stanley, Julian
ISBN: 9780395307878
Copyright:
Paperback
A Primer on Regression Artifacts
by Campbell, Donald T.; Kenny, David A.
ISBN: 9781572304826
Hardcover
ISBN: 9781572308596
Civic Education in the Twenty-First Century ...
by Rogers, Michael T.; Gooch, Donald M.; Armato, Michael A.; et al.
ISBN: 9780739193495