Kostić, Marija, Milica Ratković, and Fabio Forlani. “Eco-Hotels As an Example of Environmental Responsibility and Innovation in Savings in the Hotel Industry”. Hotel and Tourism Management 7, no. 2 (December 25, 2019): 47–56. Accessed January 31, 2025. https://htmanagementvb.com/index.php/HITM/article/view/28.