V V Subrahmanyam, Dr. R Satish Kumar. “Choice Between Full-Service Carriers and Low-Cost Carriers – Assessment of Relative Importance of Attributes Using Analytic Hierarchy Process”. European Economic Letters (EEL), vol. 13, no. 1s, Aug. 2023, pp. 144-72, https://www.eelet.org.uk/index.php/journal/article/view/518.