00558nam a22001812  4500001001100000005001700011008004100028020001500069040000800084100002200092245009300114260005300207300002900260650001900289650001600308650003000324050002200354000001723820140825164706.0090924s1982    xx            000 0 eng d  a0135103967  aPUL1 aJohnson, David W.10aJoining together :bgroup theory and group skills /cDavid W. Johnson, Frank P. Johnson.  aEnglewood Cliffs, N.J. :bPrentice-Hall,cc1982.  axv, 510   p. ;c24   cm. 0aSocial groups. 0aLeadership. 0aGroup relations training.  aHM131b.J613 1982