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 the contractual situation of consumers of postal services [documento eletrónico] / European Regulators Group for Postal Services
ERGP report on online platforms and e-retailers [documento eletrónico] : implications for the future / European Regulators Group for Postal Services