000			00347nam a2200145Ia 4500
008			221117s9999 xx 000 0 und d
082			_bSIN
100			_aSINGH, RANBIR
245		0	_aENGINEERING ECONOMICS & MANAGEMENT
250			_a1ST
260			_bSK KATARIA & SONS, NEW DELHI _c2013
300			_a307
650			_aEconomics
942			_cBK
999			_c212811 _d212811