000 00485nam a22001817a 4500
003 OSt
005 20140310181912.0
008 130713t xxu||||| |||| 00| 0 eng d
050 _aLC 6519
_b.G882 1979
082 _aTR 302.2
_bG91 1979
245 _aGroup discussion in the secondary school.
260 _aIllinois, USA :
_b National Textbook Company,
_cc1979.
300 _a71 p.;
_c23 cm.
521 _aFaculty
541 _j1
562 _e1
942 _2lcc
_cBK-TR
_kTR
999 _c6579
_d6579