@unpublished{repository7960,
           title = {DHDHG},
            year = {2021},
          school = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
           month = {January},
             url = {http://repository.uhamka.ac.id/id/eprint/7960/},
          author = {Syae Purrohman, Purnama}
}