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STRATEGI PENINGKATAN KUALITAS PELAYANAN UMRAH DAN HAJI KHUSUS DI PT. AL-ANSHOR MADINAH BAROKAH YOGYAKARTA. J. MANAJ. DAKWAH [Internet]. 2020 Dec. 7 [cited 2026 Feb. 2];6(2):257-73. Available from: https://ejournal.uin-suka.ac.id/dakwah/JMD/article/view/62-06