00667nam a2200205Ia 4500001000700000003000500007005001700012008004100029010001700070050001700087082001500104100003200119245012200151260005300273300001500326500002000341504003000361650003800391650003200429176217BIBL20160527185312.0940708s1977    mdu      b    00110 eng    apcb00000190 0 aLB1555b.J54  a373.1/1/0210aJohnson, Joy Duvall.2Local10aUse of groups in schoolsba practical manual for everyone who works in elementary and secondary schoolscJoy Johnson.0 aLanham, Md.bUniversity Press of Americacc1977.  aix, 135 p.  aIncludes index.  aBibliography: p. 131-133. 0aElementary school teaching2Local 0aHigh school teaching2Local