@unpublished{repository10416,
           title = {Tesis Luthpi Lengkap},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/10416/},
          author = {Luthpi, Safahi}
}