Authors
Zhu Ying
School of Computer Science and Engineering Xi’an Technological University, Xi’ an, China
Wang Jianguo
School of Computer Science and Engineering Xi’an Technological University, Xi’ an, China
© 2019 Zhu Ying, Wang Jianguo, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.