7Benjamin A. Robert. A Gravity Study of the Proposed China-Asian Free Trade Area [ J] . The International Trade Journal. Volume 8. No. 4, Winter, 2004. 被引量：1
9UNCTAD网站,Complete HS and SITC conversion and correspondence tables along with detailed note on its conversion methodology,http://unstats.un.org/unsd/trade/conversions/HS% 20Correlation% 20and% 20Conversion%20tables.htm. 被引量：1
