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International trade in copper and tin : areas for co-operation among state trading organizations of Developing Countries
(1982)
The Tin Agreement and the market
Adnan, R. T., (1972)
Prospects for world tin consumption up to 1975
La Spada, Antonino, (1971)
Gli accordi internazionali per le materie prime
Rogers, Christopher D., (1973)
Consumer participation in the international tin agreements
Rogers, Christopher D., (1969)
International commodity agreements