Information and Communications Technology and Policy

 Information and Communications Technology and Policy
Research onmanagement policy system of number portability
LI Na, SHEN Cen, NIU Haipeng
Information and Communications Technology and Policy . 2020, (1): 9 -11 . 

2020 © Information and Communications Technology and Policy

Address: 52 Huayuan North Road, Beijing, China Phone: 010-62300192 E-mail: ictp@caict.ac.cn