Majestika AQ, Farida. ANALISA PELAKSANAAN STANDAR OPERASIONAL PROSEDUR (SOP) PELAYANAN OLEH STAFF TICKETING DI SALES OFFICE GARUDA INDONESIA SENAYAN CITY. jimak [Internet]. 2022May9 [cited 2024Jul.22];1(2):243-57. Available from: https://ejurnal.stie-trianandra.ac.id/index.php/jimak/article/view/335