@unpublished{repository46648,
           title = {8. Manajemen Haji dan Umroh 6B},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/46648/},
          author = {Doni Wahidul Akbar, Doni}
}