Trade union information.
European Productivity Agency.Trade Union Research and Information Service.
European Productivity Agency.Trade Union Section.
Organisation for Economic Co-operation and Development.
Paris : OECD [etc.],
Title from cover.
Issued 1955-   by Trade Union Research and Information Service, European Productivity Agency, Organisation for European Economic Co-operation;  by the Agency's Trade Union Section;  by OECD.
Labor unions