00717nam a2200205 4500 1/15824 830608s1978 nyua b 00110 eng 0064932362 16327 DLC GR-PeUP 658.1'552 IR Irvin, George. Modern cost-benefit methods : an introduction to financial, economic, and social appraisal of development projects / George Irvin. London: Macmillan, 1978. xiii, 257 p. : ill. ; 24 cm. Includes index. Cost effectiveness. Externalities (Economics). Capital investments. INST UNIPILB MAIN 20040709 658.1'552 IR 00131530 00131530 LOAN 0 1