Irvin, G. (1978). Modern cost - benefit methods: An introduction to financial, economic and social appraisal of development projects. Macmillan.
Styl ChicagoIrvin, George. Modern Cost - Benefit Methods: An Introduction to Financial, Economic and Social Appraisal of Development Projects. London: Macmillan, 1978.
Citace podle MLAIrvin, George. Modern Cost - Benefit Methods: An Introduction to Financial, Economic and Social Appraisal of Development Projects. Macmillan, 1978.
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