Mohammadyari, Fatemeh, Khodayar Abdollahi, Eglė Tumelienė, and Rosita Birvydienė. “Spatial Quantification and Economic Valuation of Recreational Ecosystem Services in Iran’s Zagros Mountains: A Sub-Watershed Analysis Using the Recreation Opportunity Spectrum (ROS) Framework”. Translated by Arminas Stanionis. International Conference “Environmental Engineering” 13 (May 12, 2026): 1–6. Accessed May 13, 2026. https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/2264.