@unpublished{repository6728,
           title = {Lampiran SK Mengajar semester Ganjil 2020-2021},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/6728/},
          author = {Utari, Retno}
}