000 00303nam a2200121Ia 4500
008 231228s1989 xx 000 0 und d
041 _aeng
082 _a5.446
_bKOT
100 _aKOTECHA (Harshad)
245 _aDOS for Beginner`s
260 _aNew Delhi
_bSigma Press New Delhi
_c1989
300 _a188
999 _c1082891
_d1082891