000 00290nam a2200121Ia 4500
100 _aRushby, Nicholas John
020 _a0-7099-2210-8
942 _cBK
245 _aAn introduction to educational computing
260 _aCroom Helm, London
_c1979
082 _a371.39445 Rus
300 _a123
999 _c17203
_d17203