000			00321nam a2200145Ia 4500
005			20251222152619.0
008			251222s9999||||xx |||||||||||||| ||spa||
020			_a844812314X
082			_a330/S19
100			_aSamuelson, Paul A.
245		0	_aEconomía
250			_a16°.ed.
264			_bMcGrawHill
942			_cLIB
999			_c27271 _d27271