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Ogólne "towarowe" zwyczaje handlowe w obrocie miȩdzynarodowym
Zieleniewski, Jan, (1964)
The international industrial restructuring process : the EEC, The European periphery and selected developing countries
(1982)
Policies for trade and development
Stern, Robert Mitchell, (1964)
Inter-Governmental co-operation in market research and marketing advisory services to help expand exports from developing countries
(1964)