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020 _aDoing Impact Evaluation ; no.12
040 _aKenya National Library Service
082 _a388.12 WAL
100 _aWalle,Dominique van
245 0 _aImpact evaluation of rural road projects
260 _aWashington D.C
_b World bank
_c2008
650 _aRoad-projects
942 _cBK
999 _c202535
_d202535