N. Nadimi, F. Monsourifar, M. Asadamraji, and A. M. Amiri, “Evaluation of the impact of COVID-19 pandemic on transportation: a case study of Iran”, AoT, vol. 62, no. 2, pp. 25–38, Mar. 2022, doi: 10.5604/01.3001.0015.9174.