000 00326nam a22001457a 4500
020 _a9788177001938
082 _a540/CHA
100 _aChawla,Shashi
245 _aEngineering Chemistry
250 _a5th ed.
260 _a New Delhi
_bDhanpat Rai & Co Pvt Ltd
_c2019
300 _a828p
650 _aChemistry
942 _cBK
999 _c23872
_d23872