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Votre recherche : subject_txt:"Telephone systems - United States" a repéré 1 document.
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Consumer utility benchmark survey : value for money : the relationship between consumer perceptions of price and quality of service for local and long distance telephone services / Pérez-Chavolla, Lilia; The National Regulatory Research Institute (NRRI). Columbus, Ohio : The National Regulatory Research Institute, Ohio State University, 2003.
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