000			00496nam a22001337a 4500
008			230712b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a338.58.001.4(1-773)(026) _bL8
245			_aGuide to practical project appraisal: _bSocial benefit-cost analysis in developing countries
260			_aNew York: _bUnited Nations, _c1978
300			_aviii, 121p.
490			_aProject formulation and evaluation series no. 3
942			_2udc _cBK
999			_c51508 _d51508