Telecommunications Pricing : Theory and Practice Mitchell, Bridger M. Vogelsang, Ingo 9780521426787 Heftet 29.11.1991 Engelsk Midlertidig utsolgt
Telecommunications Pricing : Theory and Practice Mitchell, Bridger M. Vogelsang, Ingo 9780521416672 Innbundet 29.11.1991 Engelsk Midlertidig utsolgt