H. . Shafiei, S. . Mohammadi Limaei, A. . Bonyad, and M. K. Kavoosi‑Kalashami, “Estimating the Recreational Value of Chitgar Forest Park Using Contingent Valuation Method”, Int. J. Agric. Manag. Dev., vol. 12, no. 3, pp. 313–324, Dec. 2022, doi: 10.71877/ijamad.2022.6625.