Mumek L, Tampi JRE, Tamengkel LF. Kualitas Pelayanan Terhadap Kepuasan Konsumen PT. Garuda Indonesia Airlines Kelas Ekonomi Rute Manado-Jakarta. Product. [Internet]. 2020 Aug. 2 [cited 2024 Nov. 22];1(4):306-11. Available from: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/30036