“A Test of Pollution Haven Hypothesis (PHH) in the Environmental Kuznets Curve (EKC) Framework in Selected ASEAN Countries”. Journal of Governance and Development (JGD) 13, no. 2 (January 12, 2023): 111–134. Accessed November 10, 2025. https://www.educationmalaysia.co.uk/index.php/jgd/article/view/18259.