Greenhalgh, C., & Rogers, M. (2007). Trade Marks and Performance in UK Firms: Evidence of Schumpeterian Competition through Innovation. Department of Economics (University of Oxford).
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGreenhalgh, C., এবং M. Rogers. Trade Marks and Performance in UK Firms: Evidence of Schumpeterian Competition Through Innovation. Department of Economics (University of Oxford), 2007.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGreenhalgh, C., এবং M. Rogers. Trade Marks and Performance in UK Firms: Evidence of Schumpeterian Competition Through Innovation. Department of Economics (University of Oxford), 2007.
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