Yeo, Shu Hwei.2009-03-232009-03-2319741974Source: Masters Abstracts International, Volume: 40-07, page: .http://hdl.handle.net/10393/8131http://dx.doi.org/10.20381/ruor-7151Engineering, General.Optimal control of an economic system modelled on the basis of the cyclical growth theory.Thesis