los desafíos del Mercosur Laciar, Mirta Elizabeth. creator text ag Buenos Aires Madrid Editorial Ciudad Argentina 2003 monographic spa 338 p. 26 cm. Mirta Elizabeth Laciar. Includes bibliographical references (p. 303-313). MERCOSUR Organization. Sustainable development Southern Cone of South America Environmental policy Southern Cone of South America HC 167 .S67 L32 2003 8495823454 PUCPR 050128 20201023062707.0 270616