00834cam a2200253 a 45000010008000000030004000080050017000120080041000290100017000700200022000870400018001090500022001270820014001491000030001632450093001932500012002862600053002983000054003515040064004056500019004696500016004886500030005047000046005344836220OSt20230621113225.0900912s1991    njuaf    b    001 0 eng    a   90048522   a0135118581 (pbk.)  aDLCcDLCdDLC00aHM131b.J613 199100a302.32201 aJohnson, David W.,d1940-10aJoining together :bgroup theory and group skills /cDavid W. Johnson, Frank P. Johnson.  a4th ed.  aEnglewood Cliffs, N.J. :bPrentice Hall,cc1991.  axii, 530 p., [1] leaf of plates :bill. ;c24 cm.  aIncludes bibliographical references (p. 509-521) and index. 0aSocial groups. 0aLeadership. 0aGroup relations training.1 aJohnson, Frank P.q(Frank Pierce),d1935-