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1
Applied social research : tool for the human services / Duane R. Monette, Thomas J. Sullivan, Cornell R. DeJong.
New York : Holt, Rinehart, and Winston, c1986.
xviii, 416 p. : ill. ; 25 cm.
2
Applied social research : tool for the human services / Duane R. Monette, Thomas J. Sullivan, Cornell R. DeJong.
Fort Worth : Harcourt Brace College Publishers, c1994.
xiv, 492 p. : ill; 24 cm.