@unpublished{repository24000,
           title = {Buku SIM Pendidikan},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
          author = {Hamid Al Jufri, Jufri},
             url = {http://repository.uhamka.ac.id/id/eprint/24000/}
}