@unpublished{repository10921,
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA"},
            note = {Unpublished},
           title = {Bukti Mengajar Managemen Data 4A semester genap 2021},
             url = {http://repository.uhamka.ac.id/id/eprint/10921/},
          author = {Retno Mardhiati A, RMI}
}