00400nam a22001457a 450000500170000000800410001702000080005804100080006608200190007410000150009324500800010826000410018830000100022970000150023920260411103101.0260411b        |||||||| |||| 00| 0 eng d  a000  aeng  a352.007bVYD/D  aVyas, D.S.  aDynamics of Group InteractionbA Study on Discussion Processc/by D.S. Dyas  aIndia:bMalkani Books Agency;c1987.  a169p.  aVyas, D.S.