000 00356nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aRay Duncan
245 0 _aMs-dos programming
260 _aNew Delhi
260 _bBpb Publication
260 _c2012
300 _a1 TO 669p.
365 _b499
650 _aCOMPUTER
942 _cBB
999 _c765
_d765