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Economic valuation of natural promenades in Iran using zonal travel costs method (Case study area: Gahar Lake in Lorestan Province in western Iran)
- Ebrahim Kheyri,
- Maryam Morovati,
- Akram Neshat,
- Gholamreza Siahati
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- Published: November 4, 2020
- https://doi.org/10.1371/journal.pone.0241396