000			00505nam a22001457a 4500
005			20220519141052.0
008			091118t xxu||||| |||| 00| 0 eng d
082			_a658.404 _bUN
110			_aUnited Nations Industrial Development Organization _98886
245			_aGuide to practical project appraisal _bsocial benefit cost analysis in developing countries
300			_aviii. 121p.
490			_aProject formulation and evaluation series. no.3
942			_cBK
260			_c1978 _aNew York _bUnited Nations
999			_c311857 _d311857