In recent years, Internet has known an unprecedented growth, which, in turn, has lead to an
increased demand for real-time and multimedia applications that have high Quality-of-Service
(QoS) demands. This evolution lead to di±cult challenges for the Internet Service Providers
(ISPs) to provide good QoS for their clients as well as for the ability to provide di®erentiated
service subscriptions for those clients who are willing to pay more for value added services.
Unix was developed by AT&T in the late 1960s and early 1970s, and was freely
distributed among a number of major universities during this time. Concurrently,
these universities were developing the network that evolved into the Internet.
Nếu Ngân hàng phát telecomunication or, if that is not hành và/ hoặc Ngân hàng xác nhận, possible, by other expeditious means nếu có hoặc Ngân hàng được chỉ định no later than the close of the fifth hành động thay mặt ngân hàng này banking day following the day of quyết định từ chối chứng từ thì phải presentation).
The objectives of the study are: To collect and select theory related to customer satisfaction; to determine effects of different factors on customer satisfaction usingmobile telecomunication services; to determine effects of customer satisfaction on customer loyalty withmobile telecomunication services provided by three mobile network operators: Vinaphone, Mobifone and Viettel.