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United States income taxation of private investments in developing countries
(1970)
Investment demand in a developing country. The Nigerian case
Osuagwu, Harold G. O., (1982)
Britain in the world. Overseas trade, aid and investment
Selected publications of the United Nations Department of International Economic and Social Affairs : 1985 - 1989
(1989)
Petroleum in the 1970s : report of the Ad Hoc Panel of Experts on Projections of Demand and Supply of Crude Petroleum and Products, United Nations Headquarters, 9 - 18 March 1971
(1974)
Mineral resources development with particular reference to the developing countries