SAPITRI, SONIA; DAMAYANTI, Damayanti. Analysis Of Promotion Costs To Increase Ticket Sales At PT Garuda Indonesia (Persero) Tbk Branch Office Lampung. Jurnal Kompetitif Bisnis, [S. l.], v. 1, n. 9, p. 11, 2022. Disponível em: https://jkb.fisip.unila.ac.id/index.php/jkb/article/view/243. Acesso em: 9 jul. 2026.