000 00282nam a22001337a 4500
020 _a9789325982390
082 _a001.42 CHA
100 _aChawla Depak
245 _aResearch Methodology
260 _aNew Delhi
_bVikas
_c2021
300 _a789
650 _aKnowledge
942 _cBK
999 _c6388
_d6388