000 00284nam a2200121Ia 4500
100 _aWalklin, L.
020 _a0-85950-344-5
942 _cBK
245 _aInstructional techniques practice
260 _aStanley Thornes, Cheltenham
_c1982
082 _a371.3 Wal
300 _axviii,378
999 _c18421
_d18421