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A Concise Guide to Market Research > 77-112
Statistical Papers > 2013 > 54 > 2 > 443-456
Metallurgist > 2012 > 56 > 1-2 > 37-42
A Concise Guide to Market Research > 77-112
Statistical Papers > 2013 > 54 > 2 > 443-456
Metallurgist > 2012 > 56 > 1-2 > 37-42