TY - BOOK AU - YANG Shu-Chin TI - Social rate of return for project evaluation: An estimate for Yoguslavia T2 - "World Bank Staff working paper, Series 206. International Bank for Reconstruction and Development, Publication" U1 - "X65291.5923.N7, L5/UN" PY - 1975/// CY - Washington PB - IBRD KW - Security ER -