1 "http://www.merriam-webster.com/dictionary/region?show=0&t=1363068136"
2 "http://www.macmillandictionary.com/dictionary/british/region"
3 "http://unstats.un.org/unsd/methods/m49/m49regin.htm"
4 "http://rtais.wto.org/UserGuide/RTAIS_USER_GUIDE_EN.html"
5 "http://oxforddictionaries.com/definition/english/region"
6 "World trade volume (exports and imports) in Section 2: WTO Statistical Database"
7 "Trade flow data in Sections 3 and 4: The U.N. Comtrade through The World Integrated Trade Solution"
8 Ramasamy, B., "Trade diversion in an ASEAN free trade area" 12 : 10-17, 1995
9 Rahman, Mustafizur, "Trade Potential in SAFTA: An Application of Augmented Gravity Model" Centre for Policy Dialogue 2006
10 Eicher, Theo, "Trade Creation and Diversion Revisited: Accounting for Model Uncertainty and Natural Trading Partners Effects" 27 (27): 296-321, 2012
1 "http://www.merriam-webster.com/dictionary/region?show=0&t=1363068136"
2 "http://www.macmillandictionary.com/dictionary/british/region"
3 "http://unstats.un.org/unsd/methods/m49/m49regin.htm"
4 "http://rtais.wto.org/UserGuide/RTAIS_USER_GUIDE_EN.html"
5 "http://oxforddictionaries.com/definition/english/region"
6 "World trade volume (exports and imports) in Section 2: WTO Statistical Database"
7 "Trade flow data in Sections 3 and 4: The U.N. Comtrade through The World Integrated Trade Solution"
8 Ramasamy, B., "Trade diversion in an ASEAN free trade area" 12 : 10-17, 1995
9 Rahman, Mustafizur, "Trade Potential in SAFTA: An Application of Augmented Gravity Model" Centre for Policy Dialogue 2006
10 Eicher, Theo, "Trade Creation and Diversion Revisited: Accounting for Model Uncertainty and Natural Trading Partners Effects" 27 (27): 296-321, 2012
11 Endoh, Mashhiro, "The transition of postwar Asia-Pacific Trade Relations" 10 (10): 571-589, 1999
12 Gul, Nazia, "The Trade Potential of Pakistan: An Application of the Gravity Model" 16 (16): 23-62, 2011
13 Frankel, Jeffrey A., "The Structure of the Japanese Economy: Changes on the Domestic and International Fronts" Macmillan Press 387-415, 1994
14 Frankel, Jeffrey A., "Regional Trading Blocs in the World Economic System" Institute for International Economics, Peterson Institute 1997
15 Amos Jr, O. M., "Regional Economic Integration and the Formation of Global Trading Blocs: A Historical Analysis of the 1980s" 3 (3): 210-217, 2012
16 Thornton, John, "Regional Bias and Intra-Regional Trade in Southeast Asia" 9 (9): 205-208, 2002
17 "Region classifications: the UN geographical classification"
18 Panagariya, A., "Preferential Trading and the Myth of Natural Trading Partners" 9 (9): 471-489, 1997
19 Magee, Christopher S. P., "New Measures of Trade Creation and Trade Diversion" 75 (75): 349-362, 2008
20 McCallum, John, "National Borders Matter: Canada-US Regional Trade Patterns" 85 (85): 615-623, 1995
21 Hassan, Kabir M., "Is SAARC a viable economic block? Evidence from gravity model" 12 (12): 263-290, 2001
22 B. M. Russett, "International Regions and the International System: A Study in Political Ecology" Rand McNally & Company 1967
23 Batra, Amta, "India’s Global Trade Potential: The Gravity Model Approach" Indian Council for Research on International Economic Relations 2004
24 Anderson, James A., "Gravity with Gravitas: A Solution to the Border Puzzle" 93 (93): 170-192, 2003
25 Hirantha, S. W., "From SAPTA to SAFTA: Gravity Analysis of South Asian Free Trade"
26 "Data for gravity variables: CEPII"
27 "Countries GDP data: the World Bank Data Open Data"
28 Geographical Association, "Classifications of Regions of the World: Report of A Committee of the Geographical Association" 22 (22): 253-282, 1937
29 Krishna, Pravin, "Are Regional Trading Partners ‘Natural’?" 111 (111): 202-226, 2003
30 Siah, Kim-Lan, "AFTA and the Intra-Trade Patterns among ASEAN-5 Economies: Trade-Enhancing or Trade-Inhibiting?" 1 (1): 117-126, 2009
31 Elliott, Robert Jr., "AFTA and the Asian crisis: help or hindrance to ASEAN intra-regional trade?" 18 (18): 1-23, 2004