Abu Bakar, Nor Aznin, et al. “Greenfield, Mergers & Acquisitions, Energy Consumption, and Environmental Performance in Selected SAARC and ASEAN Countries”. International Journal of Energy Economics and Policy, vol. 9, no. 2, Feb. 2019, pp. 216-24, https://www.econjournals.com/index.php/ijeep/article/view/7512.