Dieter, Heribert (2009). "The Multilateral Trading System and Preferential Trade Agreements: Can the Negative Effects Be Minimized?". Global Governance. 15 (3): 393–408. doi:10.1163/19426720-01503007. JSTOR27800766.
Dieter, Heribert (2009). "The Multilateral Trading System and Preferential Trade Agreements: Can the Negative Effects Be Minimized?". Global Governance. 15 (3): 393–408. doi:10.1163/19426720-01503007. JSTOR27800766.
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"Regionalism". sites.hks.harvard.edu. Archived from the original on 13 December 2018. Retrieved 2018-10-25.