000 00304 a2200109 4500
020 _a9789386173119
100 _aOm Prakash Gupta
245 _aKhanna's multichoice questions & answers in metallurgical engineering
250 _a3rd
260 _bKhanna book publishing co. pvt. ltd.
_c2023
942 _cOO
999 _c115989
_d115988