Izursa, Jose-Luis, David R. Tilley, and Patrick Kangas. “Sustainability Assessment of Certified Tropical Forestry Using Emergy Analysis”. Journal of Environmental Accounting and Management 2, no. 1 (August 17, 2026): 73–89. Accessed August 17, 2026. https://lhscientificpublishing.com/index.php/jeam/article/view/1372.