Anjani, Gustina, ‎ Imelda, and ‎ Sukanto. “The Relationship Between Environmental Degradation and Per Capita Income in ASEAN Countries”. KnE Social Sciences 9, no. 14 (May 3, 2024): 246–260. Accessed February 6, 2025. http://thrillriftranks.com/index.php/KnE-Social/article/view/16103.