UNIDOV, . Guide to practical project appraisal social benefit-cost analysis in developing countries / United Nations Industrial Development Organization Vienna. - New Delhi : Oxford and IBH Publishing , 1978. - viii, 121p. : tables ; 23cm . Includes index ISBN: Rs. 30.00 (Pbk) Subjects--Index Terms: BENEFIT SCIENTIST Dewey Class. No.: 334.7 / UNO/G