00317nam a2200133 a 450000500170000002000140001708200170003110000200004824500260006825000120009426000300010630000270013670000200016320251203091215.0  a006042401  a371.102bGoo  aGood, Thomas L.  aLooking in classrooms  a4th Ed.  aLondonbHarper &Rowc1987  axii, 611p.c22 cm.cPB  aBrophy, Jere E.