Forms of Czechoslovakia's economic relations with developing countries and its contribution to the latter's industrialization : submitted by the Government of Czechoslovakia

Innovations in the practice of trade and economic co-operation between the socialist countries of Eastern Europe and the developing countries : a study presented by the Institute of Economics of the World Socialist System (Moscow)

(1970)

Trade relations among countries having different economic and social systems : innovations in the practice of trade and economic co-operation between the socialist countries of Eastern Europe and developing countries ; a study pres. by the Institute of Economics of the World Socialist System, Moscow, USSR ; United Nations, Conference on Trade and Development, Trade and Development Board, 9. sess., ...

(1969)

Technická pomoc--součást československého zahraničního obchodu

Texler, Jiří, (1963)