@unpublished{repository50805,
           title = {SK Pembimbing Skripsi dan Berkas Skripsi},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/50805/},
          author = {Iswahyudi, Iswahyudi}
}