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2
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Statistics : a tool for social research / Joseph F. Healey.
- 519.5 H4341 1999
- Healey, Joseph F., 1945-
- Wadsworth Publ.,
- c1999.
- Belmont, CA :
-
Functional analysis of problem behavior : from effective assessment to effective support / Alan C. Repp, Robert H. Horner.
- 371.92 F9796
- Wadsworth Pub. Co.,
- c1999.
- Belmont, CA :