Sangwan, S.

china market service phone communication growth operator industry content provider business marketing chinese consumer subscriber revenue service providers research system content service providers management china unicom segment telecom issue percent development information handset report challenge strategy number product network telecommunication communications market unicom diffusion technology series level adoption price environment value journal organization share terminal competition policy future erasmu content providers market segment paper mechanism characteristic demand company increase classification webpage erim report series university success market characteristics income business environment standard telecom industry expansion chinese market china sunanda sangwan study wall street journal arpu market segment internet end-user