Findi Oktaviani, and Didin Chonyta. “STRATEGI PELAYANAN BIRO HAJI DAN UMROH DI PT. NUR HARAMAIN”. HARAMAIN: Jurnal Manajemen Bisnis, vol. 1, no. 02, May 2021, pp. 71-79, https://doi.org/10.66931/jmb-86.