Contreras Polgatti, Arturo <br/><br/>
Regionalismo : desafios, oportunidades y amenzas : una visión de la situación sudamericana 

 -  2005 
<br/><br/> Presents a thorough analysis of regionalisation processes from a contemporary and current geopolitical perspective. Examines the situation in South both in terms of natural advantages and inherent difficulties that may result, in integration as well as in disintegration phenomena. 
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