00649cam a22001814a 450000500170000002000150001708200220003224500260005424600390008026000410011930000260016050000220018665000690020865000480027765000470032565000390037265000560041120260205163920.0  a082134601600a658.72 PRO.N922100aProcurement of works.1 aStandard prequalification document  aWashington, DC :bWorld Bank,c1999.  axiii, 74 p. :bill. ;  a"September 1999". 0aRequests for proposals (Public contracts)zDeveloping countries. 0aLetting of contractszDeveloping countries. 0aEconomic assistancezDeveloping countries. 0aPublic workszDeveloping countries 0aEconomic development projectszDeveloping countries