000 00310nam a2200145Ia 4500
654 _aMECH
100 _aKhanna.O.P.
_93051
250 _a2nd Ed.
080 _aKHA
942 _cBB
245 _aWork Study.
260 _bDhanpat Rai Publishing Company (P) Ltd.
_c1979
300 _a564p.
999 _c48700
_d48700
655 _aM-01
546 _aText in English
041 _aeng
300 _c20.5 cm.