Thi, H. T. ., and P. T. . Thi. “Analyzing Determinants of CO2 Emissions in ASEAN: Evidence from Panel Regression and Threshold Model”. International Journal of Innovative Research and Scientific Studies, vol. 8, no. 4, June 2025, pp. 1044-56, doi:10.53894/ijirss.v8i4.7990.