Report on the telecommunications market in 2005 [documento electrónico] / Office of Electronic Communications
State of the market report 2006 [documento electrónico] / Office of Electronic Communications
Report on the telecommunications market in 2008 [documento electrónico] : (update) / Office of Electronic Communications
Report on Monitoring the implementation of regulation 2015/2120 in relation ti open internet access in Poland [documento digital] / Office of Electronic communications
Annual report 2007 / Office of Electronic Communications
Annual report 2005 / Office of Electronic Communications
Annual report 2006 / Office of Electronic Communications