ASGHAR, S. . .; MOHSIN, D. H. . PAKISTAN AIR LINES (PIA) – A CASE STUDY. ISSRA Papers, [S. l.], v. 15, n. 1, p. 111–125, 2023. Disponível em: https://issrapapers.ndu.edu.pk/site/article/view/157. Acesso em: 10 may. 2024.