Trade relations among countries having different economic and social systems and all trade flows resulting therefrom : recent developments in East-West co-operation in Third Countries and in tripartite co-operation

Trends, policies and prospects in trade among countries having different economic and social systems : selected studies

(1984)

Trade relations among countries having different economic and social systems and all trade flows resulting therefrom : review of trends and policies in trade between countries having diferent economic and social systems

(1981)

Trade relations among countries having different economic and social systems and all trade flows resulting therefrom : review of trends and policies in trade between countries having different economic and social systems

(1982)