Chita, E., E. Drimili, Z. Gareiou, C. Milioti, A. Vranna, S. Poulopoulos, and E. Zervas. “Impact of Economic Crisis on Passenger Transportation – Case of Travelling to the Greek Mainland from Crete”. Promet - Traffic&Transportation, Vol. 32, no. 3, May 2020, pp. 347-60, doi:10.7307/ptt.v32i3.3255.