Introduction: Natural resources and the environment. such as mountains are considered public goods. The main features of these public goods are lack of market and price for exchange. This issue leads to a worthless impression about these goods. https://parisnaturalfoodes.shop/product-category/super-toddlers-probiotic/
Estimating the Economic Value of Environmental Amenities of Isfahan Sofeh Highland Park (The Individual Revealed and Expressed Travel Cost Method)
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