Karlsson, Sune a Eklöf, Jan A. Testing and correcting for sample selection bias in discrete choice contingent valuation studies. Stockholm: Stockholm School of Economics, 1997. 38 s.
Citace podle APAKarlsson, S. (1997). Testing and correcting for sample selection bias in discrete choice contingent valuation studies. Stockholm: Stockholm School of Economics.
Styl ChicagoKarlsson, Sune. Testing and Correcting for Sample Selection Bias in Discrete Choice Contingent Valuation Studies. Stockholm: Stockholm School of Economics, 1997.
Citace podle MLAKarlsson, Sune. Testing and Correcting for Sample Selection Bias in Discrete Choice Contingent Valuation Studies. Stockholm: Stockholm School of Economics, 1997.
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