[2] "Economic and social impact of the agreement concluded between social partners on certain aspects of the working conditions of mobile workers engaged in interoperable cross-border services in the railway sector", TNO Quality of Life, September 2008.
[2] „Economic and social impact of the agreement concluded between social partners on certain aspects of the working conditions of mobile workers engaged in interoperable cross-border services in the railway sector“, TNO Quality of Life, September 2008.
