Almira, W., and W. A. Alodia. “Analisis Strategi Traditional Travel Agency Di Tengah Persaingan Online Travel Agency (Studi Kasus: Airlangga Travel)”. Jurnal Manajemen (Edisi Elektronik), vol. 10, no. 2, Dec. 2019, pp. 123-30, doi:10.32832/jm-uika.v10i2.2553.