Findi Oktaviani, Didin Chonyta. STRATEGI PELAYANAN BIRO HAJI DAN UMROH DI PT. NUR HARAMAIN. HARAMAIN : Jurnal Manajemen Bisnis [Internet]. 2021 May 1 [cited 2026 Jul. 29];1(02):71-9. Available from: https://jurnalstebibama.ac.id/index.php/jmb/article/view/86