Riandy MD, Erida E, Nifita AT. Analisis kepuasan dari perspektif tingkat kepentingan layanan jamaah ibadah umrah PT. Attin Tour Travel Jambi. JDM [Internet]. 2021Jun.15 [cited 2024Jul.22];9(3):163-76. Available from: https://online-journal.unja.ac.id/jmbp/article/view/17159