@unpublished{repository10923,
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA"},
            note = {Unpublished},
           title = {Bukti Mengajar Managemen Data 4C Semester Genap 2021},
             url = {http://repository.uhamka.ac.id/id/eprint/10923/},
          author = {Retno Mardhiati A, RMI}
}