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mods: Group Discussion Theory and Technique Harnack, R. Victor creator (autor) Fest, Thorrel B. (autor) Jones, Barbara Schindler (autor) text 2a edición monographic ING XIV, 298 p. R.V. Harnack, T.B. Fest, B.S. Jones. XX 302. 3 HAR 0-13-365247-5 Acervo ITESO - Biblioteca 20250521000000.0 000265379