000 00297nam a2200121Ia 4500
100 _aWatkins, Roger (ed)
020 _a0-7062-3154-6
942 _cBK
245 _aIn-service tranning : structure and content
260 _aWard lock educational, London
_c1973
082 _a371.12 Wat
300 _a126
999 _c5061
_d5061