000 00319nam a2200109Ia 4500
008 170101s1978 xx 000 0 und d
082 _a339 UNI
100 _aUNIDO
245 0 _aGuide to practical appraisal: social benefit-cost analysis in developing countri
260 _aKolkata
_bOxford & IBH
_c1978
942 _2ddc
_cBK
999 _c68981
_d68981