Kholuzini Sharahi, M., M. H. Mohamadi, and A. Abedini. “Estimating the Outdoor Recreational Value of Chitgar Forestial Park of Tehran With the Use of Contingent Valuation Method (CV)”. Journal of Economic Development, Environment and People, vol. 4, no. 4, Dec. 2015, pp. 64-75, doi:10.26458/jedep.v4i4.129.