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Estimating switching costs involved in changing mobile phone carriers in Japan : evaluation of lock-in factors related to Japan's SIM card locks
Nakamura, Akihiro, (2010)
Estimating switching costs of changing social networking sites
Nakamura, Akihiro, (2012)
Mobile and fixed broadband access services substitution in Japan considering new broadband features
Nakamura, Akihiro, (2015)