Guide to Practical Project Appraisal :   Social Benefit-Cost Analysis in Developing Countries /  united nations  - —  - New York :   United Nations ،   1978 <br/>125 ؛   صفحة<br/> 17×24 <br/><br/><label>ISBN: </label>E.78.II.B.3 <br/><br/><label>Subjects--Topical Terms: </label><br/>338.9<br/><br/><label>Dewey Class. No.: </label>Project evaluation – Cost-benefit analysis – Development planning