000			00338nam a2200133Ia 4500
005			20251222143139.0
008			251222s9999||||xx |||||||||||||| ||spa||
020			_a968-26-0349-8
082			_a658.4/P78E/2004/Ej.2
100			_aPorter, Michael E.
245		0	_aEstrategia Competitiva:
264			_bGrupo Patria Cultural
942			_cLIB
999			_c12222 _d12222