000			00300nam a2200133Ia 4500
005			20251222142003.0
008			251222s9999||||xx |||||||||||||| ||spa||
082			_a330/S19/Ej.2
100			_aSamuelson, Paul A.
245		0	_aEconomía
250			_a12a.ed.
264			_bMcGraw-Hill
942			_cLIB
999			_c10058 _d10058