Polat, İnci, D. . Erdoğan, and O. S. Sesliokuyucu. “The Impact of Attitude and Subjective Norm on Airline Passengers’ Travel Intention in the Covid-19 Era: Mediating Role Of Perceived Risk”. Anais Brasileiros De Estudos Turísticos, vol. 11, Oct. 2021, doi:10.5281/zenodo.5770983.