000 00293nam a2200121Ia 4500
999 _c10230
_d10230
100 _aAggarwal D K
245 _aIntroduction to Systems Design for Engineering Students
250 _a1
260 _c1982
_bKATSON PUB: HOUSE
_aLudhiana
300 _a250+ii
700 _aSingla S L
942 _cBK