Tarasawatpipat, Chaisri, et al. “Seeing Domestic and Industrial Logistic in Context of CO2 Emission: Role of Container Port Traffic, Railway Transport, and Air Transport Intensity in Thailand”. International Journal of Energy Economics and Policy, vol. 10, no. 5, Aug. 2020, pp. 570-6, https://econjournals.com./index.php/ijeep/article/view/10227.