000 00319nam a2200121Ia 4500
008 211209s1969 xx 000 0 und d
041 _aeng
082 _a657.42 N69 GUP/PRA
100 _aGUPTHA G
245 _aESTIMATING AND COSTING FOR MECHANICAL STUDENTS
260 _aALLAHABAD
_bSAROJ PRAKASHAN
_c1969
300 _a275
999 _c5708
_d5708