000			00507nam a2200157Ia 4500
008			220407s9999 xx 000 0 und d
040			_cATVERC
050			_aHD 82 .G85 1978
100			_aHansen John R.
245		0	_aGuide to practical project appraisal: social benefit-cost analysis in developing countries
260			_aNew York _bUnited Nations _cc1978
300			_aviii, 121 p. : ill. ; 23 cm. _c23 cm
500			_aIncludes bibliography and index.
650			_aProject Appraisal
999			_c16359 _d16359