A practical guide to behavioral research: tools and techniques
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Bibliographic Details
Main Authors: Sommer, Robert 1864-1937 (Author), Sommer, Barbara B. (Author)
Format: Book
Language:English
Published: New York u.a. Oxford Univ. Press 1986
Edition:2. ed.
Subjects:
Physical Description:VIII, 297 S. Ill., graph. Darst.
ISBN:0195039777
0195039785