1. Economic Effects of Rules of Origin;R Falvey;Weltwirtschaftliches Archiv,1998
2. Rules of Origin for Goods and Services, Conceptual Issues and Economic Considerations;B Hoekman;Journal of World Trade,1993
3. APEC and Preferential Rules of Origin: Stumbling Blocks for Liberalization of Trade?;W E James;Journal of World Trade,1993
4. Implementing Free Trade Areas: Rules of Origin and Hidden Protection