004170000a22001570004500003000900000005001700009100001900026245004800045264004700093490003700140300001000177041000800187650001800195650003100213650001500244PH-MaWHO20241108112213.0  aDyer W G (ed).  aModern theory and method in group training.  aNew York : bVan Nostrand Reinhold,c1972.  a(NTL Learning resources series).  a251p.  aeng  aGroup process  aSesitivity training groups  aLeadership