- Mehni, Farzane Esfandiari., Rastgar, Shafagh., Jafarian, Zeinab. (2023) Estimating Recreation Value and Factors Affecting Willingness-to-Pay of Visitors to Badab-e Surt GeoPark, Summer Rangelands of North of Iran. JRS, 12(4). https://doi.org/10.30495/rs.2022.685603