TY  - BOOK
AU  - Yang,Ruizhen
AU  - Yang, Yan
AU  - Wang, Song
TI  - Tong xin qi ye shi chang ying xiao=
SN  - 9787115189141
AV  - HF5415.1265 .Y111
PY  - 2009///
CY  - Beijing
PB  - Ren min you dian chu ban she
KW  - Telecommunication
KW  - China
KW  - Marketing
ER  -