SAPITRI S, Damayanti D. Analysis Of Promotion Costs To Increase Ticket Sales At PT Garuda Indonesia (Persero) Tbk Branch Office Lampung. JKB [Internet]. 2022 Dec. 8 [cited 2026 Jun. 29];1(9):11. Available from: https://jkb.fisip.unila.ac.id/index.php/jkb/article/view/243