00383    a2200133   4500020001500000082001500015100001600030245004300046260005500089300002200144650003700166650001400203650003200217  a0859507106  a371.3bWAL  aWalklin, L.  aInstructional techniques and practice   aCheltenhambStanley Thornes Publishersc1982g1987  axviii,378p.c22cm  aMethods of instruction and study  aEducation  aSchool and their activities