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Electronic Commerce Research and Applications > 2010 > 9 > 2 > 160-170
Electronic Commerce Research and Applications > 2011 > 10 > 2 > 194-202
Telecommunications Policy > 2017 > 41 > 5-6 > 325-340
Electronic Commerce Research and Applications > 2010 > 9 > 2 > 160-170
Electronic Commerce Research and Applications > 2011 > 10 > 2 > 194-202
Telecommunications Policy > 2017 > 41 > 5-6 > 325-340