@article{Pham2013system,
author={Pham, Q.. and Kvyatkovskaya, I..},
title={SYSTEM OF CRITERIA OF EVALUATION OF QUALITY OF TELECOMMUNICATION SERVICES AND METHOD OF THEIR EVALUATION},
journal={Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics},
publisher={Astrakhan State Technical University},
year={2013},
pages={98-103},
volume={2013},
issue={2},
}