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008			251222s9999||||xx |||||||||||||| ||spa||
020			_a968-7529-44-X
082			_a658.8/D59
100			_aDeras Quiñónez, Adolfo
245		0	_aMarketing
250			_a4a.ed.
264			_bMcGraw-Hill
942			_cLIB
999			_c17950 _d17950