Amar, Syamsul, Ariusni ., Alpon Satrianto, and Akmil Ikhsan. “Environmental Degradation: Issues and Determinants in Middle-Income Countries ASEAN”. Journal of Ecohumanism 3, no. 8 (December 29, 2024): 10019 –. Accessed January 22, 2025. https://ecohumanism.co.uk/joe/ecohumanism/article/view/5613.