The optimal size for discussion groups:
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Bibliographic Details
Main Author: Petty, Robert M. (Author)
Format: Book
Language:English
Published: Monticello, Ill. Vance 1973
Series:Council of Planning Librarians: Exchange bibliography. 378.
Subjects:
Physical Description:19 S.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!