Saeed, Khalid, "Growth of Construction Activity in Thailand: Views of the System from Three Vantage Points", 1995
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This paper views three feedback maps of the construction activity in Thailand, development by three experienced modelers as three views of the same problem seen from three vantage points that consider different time frames. The three maps possibly appeared since reference mode for the modeling problem was not explicitly stated, while a wide spectrum of historical data was provided to the modelers. System Dynamics attempts to model processes rather than systems and as such a clear statement of the problem is necessary before a model with a unique structure that corresponds to the stated problem can be formulated.