Browsing by Author "Vieth, G.R."
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Item Agricultural price policies and soil conservation:a steady state comparative static analysis(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1999) Gunatilake, H.M.; Vieth, G.R.Item An assessment of scenic value of Sri Lankan elephants:the case of Pinnawela orphange(National Science Foundation:Colombo, 1998) Gunatilake, H.M.; Vieth, G.R.