United Nations Industrial Development Organization. (1978). Manual for the preparation of industrial feasibility studies. United Nations.
Dyfyniad Arddull ChicagoUnited Nations Industrial Development Organization. Manual for the Preparation of Industrial Feasibility Studies. New York: United Nations, 1978.
Dyfyniad MLAUnited Nations Industrial Development Organization. Manual for the Preparation of Industrial Feasibility Studies. United Nations, 1978.
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