Batool, S. A., H. Ahmad, S. M. A. H. Gillani, H. Raza, M. Siddique, N. Khan, and M. I. Qureshi. “Investigating the Causal Linkage Among Economic Growth, Energy Consumption, Urbanization and Environmental Quality in ASEAN-5 Countries”. International Journal of Energy Economics and Policy, vol. 11, no. 3, Apr. 2021, pp. 319-27, https://www.econjournals.com/index.php/ijeep/article/view/11213.