Lever, M H C The degree of collusion in construction / H.R. Nieuwenhuijsen, A J van Stel - Zoetermeer : EIM, 1999. - 39 p. : tbl. ; 23 cm. - Research report / EIM Small Business Research and Consultancy ; 9810/E . Bibliographies: 31 p. ISBN: 9037107265 Subjects--Topical Terms: Sanayi--HollandaIndustry--Holland. Dewey Class. No.: 338.47 / LEV 1999