DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/px4h23/vietnam_mobile) has announced the addition of the "Vietnam Mobile Demand Market to 2015: Mobile Subscriptions by Operators" report to their offering. "Vietnam Mobile Demand Market to 2015: Mobile Subscriptions by Operators" report provides a top-level overview and detailed insights into the operating environment for mobile operators. It is an essential tool for companies active across the telecom va