Fan, Hongzhong, and Md Ismail Hossain. “Technological Innovation, Trade Openness, CO2 Emission and Economic Growth: Comparative Analysis Between China and India”. International Journal of Energy Economics and Policy, vol. 8, no. 6, Oct. 2018, pp. 240-57, https://econjournals.com./index.php/ijeep/article/view/7171.