<ul><li><a href=https://archiwum.uke.gov.pl/nizsze-stawki-mtr-w-sieciach-komorkowych-11877 target=_blank>Decision of the Office of  Electronic Communications(Decyzja, Market 16(7), DART-SMP-6040-XXXX , 17 December 2012)</a></li><li><a href=https://bip.uke.gov.pl/decyzje/decyzje-smp/ target=_blank>Office of Electronic Communications post 2018 decision website</a></li><li>.</li></ul>