Substitution between fixed, mobile, and voice over IP telephony – Evidence from the European Union
نویسندگان
چکیده
منابع مشابه
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ژورنال
عنوان ژورنال: Telecommunications Policy
سال: 2016
ISSN: 0308-5961
DOI: 10.1016/j.telpol.2016.05.008