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International commodity agreements
(1975)
The Tin Agreement and the market
Adnan, R. T., (1972)
Fourth International tin agreement, London, 1 July 1970 - 29 January 1971
(1970)
Financing new and renewable sources of energy
Ali, Liaqat, (1981)
Africas̕ commodity trade and structure of marketing and distribution of primary commodities
Ali, Liaqat, (1984)