Limitations of the study and future research directions

The study provides an overview of telecommunications market of VinaPhone Company in Hanoi anG FRQWULEXWHV WR WKH LGHQWLILFDWLRQ RI VHUYLFH IDFWRUV WKDW LQIOXHQFH FXVWRPHUV¶

satisfaction.

However, it still has some limitations as follows:

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Conducting more researches in other areas can solve this limitation and can also be a future direction.

- Quality of sample: Sample is not very representative, low generalization because the sample is selected by convenience method. Future researches should select sample basing on probability method to have a higher statistical efficiency.

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