TY - BOOK AU - Irvin,George TI - Modern cost-benefit methods: an introduction to financial, economic, and social appraisal of development projects SN - 0333232070 U1 - 658.1554 23 PY - 1978/// [reprinted 1984, 1985] CY - London PB - Macmillan KW - Cost effectiveness KW - Externalities (Economics) KW - Capital investments N1 - includes Bibliographical reference and index ER -