国内电信运营商收入保障工作研究
李卫,张云勇,郭志斌,周巍
Research on Revenue Assurance Practice of Telecom Operators in China
Wei Li,Yunyong Zhang,Zhibin Guo,Wei Zhou
电信科学 . 2011, (3): 97 -100 .  DOI: 10.3969/j.issn.1000-0801.2011.03.025