Economic Valuation of Forest Ecosystem Services in Heshui Watershed using Contingent Valuation Method
2012 ◽
Vol 13
◽
pp. 2445-2450
◽
2017 ◽
Vol 77
(4)
◽
pp. 762-773
◽
2020 ◽
Vol 255
◽
pp. 109925
◽
2020 ◽
Vol 26
(1)
◽
pp. 137-147
2021 ◽
Vol 19
(3)
◽
pp. e0110-e0110
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