TY - BOOK AU - Irvin, George. AU - ED - ED - ED - ED - TI - : an introduction to financial, economic, and social appraisal of development projects SN - 0333232089 (paperback) SN - 2 PY - 1978///46 CY - London PB - Macmillan KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Cost effectiveness.;Externalities (Economics).;Capital investments N1 - Includes bibliographical references and index; 5; Professional ER -