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Journal of Economic Structures > 2017 > 6 > 1 > 1-27
Quality & Quantity > 2017 > 51 > 3 > 1395-1401
Communications in Computer and Information Science > Information and Management Engineering > 297-304
Computational Economics > 2015 > 45 > 4 > 635-645
Business Economics > 2006 > 41 > 2 > 26-37