Annual report 2006 [documento eletrónico] / Czech Telecommunication Office
Annual report 2005 [documento eletrónico] / Czech Telecommunication Office
Annual report 2004 [documento eletrónico] / Czech Telecommunication Office
Annual report 2003 [documento eletrónico] / Czech Telecommunication Office
Annual report 2002 [documento eletrónico] / Czech Telecommunication Office
Annual report 2018 [documento eletrónico] / Czech Telecommunication Office
Annual report 2020 [documento eletrónico] / Czech Telecommunication Office