000 00322nam a2200133Ia 4500
008 220201s2019 xx 000 0 eng d
082 _bDAS
100 _aDass, H K
245 0 _aApplied mathematics for polytechnics
250 _a11st ed
260 _aNew Delhi
_bCBS PUB & Dist
_c2019
300 _a1129p.
942 _2ddc
999 _c38087
_d38087