@unpublished{repository6050,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Laporan Penelitian Ganjil 20/21},
            note = {Unpublished},
          author = {fetrimen, fetrimen},
             url = {http://repository.uhamka.ac.id/id/eprint/6050/}
}