TROIANO, STEFANIA, and FRANCESCO MARANGON. “Payments for Ecosystem Services in Favour of Landscape and Environmental Resources”. Gjornâl Furlan des Siencis - Friulian Journal of Science 15, no. 15 (January 27, 2011): 69–77. Accessed August 20, 2025. https://www.gfs-fjs.net/index.php/gsf/article/view/159.