00323nam a2200109Ia 450000500170000008000190001710000200003624500820005626000360013830000210017458300180019520260716043935.0 a09.05.08 C8135 aCornejo, Rafael aConvergence in the rules of origin spaghetti bowl : a methodological proposal bIDB-INTALaBuenos AiresARc2007 a[2], 28, [14] p. c4/22/09kJOYD