A MIXED MODEL OF ENVIRONMENTAL VALUETION USING THE TRAVEL COST METHOD AND THE CONTINGENT VALUATION METHOD
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2020 ◽
Vol 4
(3)
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pp. 172-185
2017 ◽
Vol 18
(1)
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pp. 1-21
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2020 ◽
pp. 1-12
2000 ◽
Vol 64
(5)
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pp. 685-690
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