00297nam a2200109Ia 450000500170000000800410001710000170005824500410007530000150011665000120013177300440014320250822170824.0250822s9999||||xx |||||||||||||| ||und||  aSen, Amartya 0aSobre conceptos y medidas de pobreza  ap. 310-322  aPOBREZA  aComercio exterior Vol. 42  No. 4 (1992)