Elva Widya Lestari. ANALISIS PENERAPAN MARKETING MIX BERBASIS SYARIAH DALAM MENINGKATKAN DAYA SAING NURUL HAYAT TRAVEL SURABAYA. jek [Internet]. 2025Jun.30 [cited 2025Oct.11];10(01):41 -49. Available from: https://www.journal.stienugresik.ac.id/index.php/jek/article/view/135