Xueming L, N Donthu and P Riedesel (2002). “Comment on “Benchmarking Advertising Efficiency”.” J Advertising Research 42(2): 93-93.

Xueming L, N Donthu and P Riedesel (2002). “Comment on “Benchmarking Advertising Efficiency”.” J Advertising Research 42(2): 93-93.

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