000			00326nam a2200109 4500
008			0 1970 0a 000 0MEX
082			_a421.52 C257t
100			_aCastro de Bravo, Bertha
245			_aTechnical English for Business / Bertha Castro de Bravo
260			_aMéxico : McGraw-hill
300			_a232p. /23.9 cm.
999			_c21064 _d21064