000 00299nam a2200121Ia 4500
008 220201s2021 xx 000 0 eng d
082 _a510
100 _aGrawal, B S
245 0 _aElementary engineering mathematics
260 _bKhanna Book Publishing
_aDelhi
_c2021
300 _a622p.
942 _2ddc
999 _c2364
_d2364