Chai, A., Moneta, A., 2010. The evolution of Engel curves and its implications for structural change. Griffith Business School Discussion Papers Economics. No. 2010-09.[1]Arquivado em 29 de junho de 2011, no Wayback Machine.
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Chai, A., Moneta, A., 2010. The evolution of Engel curves and its implications for structural change. Griffith Business School Discussion Papers Economics. No. 2010-09.[1]Arquivado em 29 de junho de 2011, no Wayback Machine.