@unpublished{repository10923,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            note = {Unpublished},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