000 00408nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aUnited Nations
245 _aGuide to practical project apprisal:Social benefit cost analysis in developing countries
260 _c1978
546 _aEnglish
942 _2ddc
_cBK
999 _c12236
_d12236
005 20220125165621.0