@unpublished{repository37648,
           title = {SK, BAP, NILAI, KEHADIRAN. MENEJEMEN HAJI DAN UMROH},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/37648/},
          author = {Doni Wahidul Akbar, Doni}
}