@unpublished{repository28646,
           title = {Bimbingan Skripsi Popi},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof DR HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/28646/},
          author = {Hanifah Rahmi, Hanifah}
}