Annual report 2014 [documento eletrónico] / Institute of Electrical and Electronics Engineers
Annual report 2013 [documento eletrónico] / Institute of Electrical and Electronics Engineers
Mobile net zero [documento eletrónico] : state of the industry on climate action / GSMA
Annual report 2020 [documento eletrónico] / Authority Consumers & Markets
Annual report 2021 [documento eletrónico] / Authority Consumers & Markets