Norval, George.Ntsekhe, Thato.2011-01-172011-01-1719981998http://hdl.handle.net/10413/2182Thesis (B.Sc.)-University of Natal, 1998.enBuilding--Estimates--South Africa.Construction contracts--South Africa.Theses--Surveying.The introduction of local content clauses in building tender documentation : an investigation into the benefits achieved versus those intended.Thesis