TY - BOOK AU - Bertcher,Harvey J. TI - Group participation: techniques for leaders and members T2 - Sage human services guide SN - 0803952139 (cl.) U1 - 649.1 22 PY - 1994/// CY - Thousand Oaks, Calif. PB - Published in cooperation with the University of Michigan School of Social Work [by] Sage Publications KW - Small groups KW - Social groups KW - Social participation N1 - Includes bibliographical references and indexes UR - http://www.loc.gov/catdir/enhancements/fy0655/93031224-d.html ER -