United Nations United Nations. (1950). Formulation and Economic Appraisal of Development Projects: Book 2 (1.). Technical Assistance Administration training Institute on Economic Appraisal of Development Projects.
Style de citation Chicago (17e éd.)United Nations United Nations. Formulation and Economic Appraisal of Development Projects: Book 2. 1. United Nations: Technical Assistance Administration training Institute on Economic Appraisal of Development Projects, 1950.
Style de citation MLA (9e éd.)United Nations United Nations. Formulation and Economic Appraisal of Development Projects: Book 2. 1. Technical Assistance Administration training Institute on Economic Appraisal of Development Projects, 1950.
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