000 00293 a2200133 4500
020 _a 9780143448327
040 _bENG
082 _a631.152 GUP
100 _aGupta,Anil K
_92629
245 _aGrassroots Innovation
260 _b Penguin Portfolio
_c1 May 2019
300 _a381p;
942 _cBK
999 _c4762
_d4757