Science, research and innovation performance of the EU 2020 [documento eletrónico] : a fair, green and digital Europe / European Commission
Digital economy and society index (DESI) 2020 [documento eletrónico] / European Commission
Shaping the digital transformation in Europe [documento eletrónico] / European Commission
International digital economy and society index 2020 [documento eletrónico] : I-DESI / European Commission