@unpublished{repository18751,
           title = {SK Mengajar},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/18751/},
          author = {Hamid Al Jufri, Jufri}
}