**Author details**

Tu Anh Do University of Transport and Communications, No. 3 Cau Giay Street, Dong Da District, Hanoi, Vietnam

\*Address all correspondence to: doanhtu@utc.edu.vn

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
