Dir Sirs/madams
I’m Counterparts in JICA project in Posts and telecoms Training Center N01 in VietNam Posts and Telecoms Cor. from VietNam Now, i’m wring curriculum of Basis course about Digital switching system, and in this course have a subject is traffic theory, so in VietNam haven’t many books about this subject. If you can, please send to me documents to introduction the traffic theory. I’m very happy and thanks very much!