7Natalia Ishchukova, Mansoor Maitah, Lubos Smutka, Karel Malec, Osama Eldeeb. Russia’s Intra - Industry Trade inAgricultural Products[J]. Medwell Journals, 2014, 9(6) : 375 -385.
8Chen C. Changing Patterns in China, s Agricultural Trade after WTO Accession, in Ross G and Song L (eds). TheTurning Point in China, s Economic Development[R]. Asia Pacific Press, Australian National University, Canberra,Australia, 2006: 83 -106.
9Balassa, B. Trade Liberalization and Revealed Comparative Advantage [J]. The Manchester School of Economic andSocial Studies, 1965, (33):99 -124.
10Yu R un, Junning Cai,PingSun Leung. “ The Normalized Revealed Comparative Advantage Index” [J]. The Annals ofRegional Science, 2009, 43(1) :267 -282.
