ERGP report on the quality of service, consumer protection and complaint handling 2017 [documento eletrónico] : an analysis of trends / European Regulators Group for Postal Services
ERGP report on core indicators for monitoring the European postal market [documento eletrónico] : 2018 / European Regulators Group for Postal Services
Report on the measurement and the allocation of delivery costs in the universal service postal network [documento eletrónico] / European Regulators Group for Postal Services
e-Commerce report [documento eletrónico] : CTT 2018 / ed. Correios de Portugal. Direção de E-Commerce
Main developments in the postal sector (2013-2016) [documento eletrónico] / European Commission
ERGP report on the boundaries around postal services in order to ensure NRAs clarity in the performance of their tasks [documento eletrónico] / European Regulators Group for Postal Services
The contribution of the postal and delivery sector : between e-Commerce and e-Substitution / ed. by Pier Luigi Parcu, Timothy J. Brennan and Victor Glass
Postal economic outlook 2018 [documento eletrónico] : key transformations affecting the sector / José Anson, Fernão De Borba and Lukas Piotrowski