A Study on Analysis of Operating Efficiency of Air India and Indigo Airlines: A Comparative Analysis of Air India and Indigo Airlines. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 15, n. 3, p. 6–10, 2018. Disponível em: https://www.ignited.in/index.php/jasrae/article/view/8030. Acesso em: 13 june. 2026.