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Votre recherche : subject_txt:"Telephone" a repéré
2 documents.
1.
State and federal number portability policies
/ Lawton, Raymond W; Zearfoss, Nancy; The National Regulatory Research Institute (NRRI).
[Columbus, Ohio] : The National Regulatory Research Institute, 1996.
2.
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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