@unpublished{repository3346,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Laporan Penelitian Internal Batch-1 2019-2020},
            note = {Unpublished},
          author = {Rifky, Rifky},
             url = {http://repository.uhamka.ac.id/id/eprint/3346/}
}