@unpublished{repository10610,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           month = {September},
            year = {2021},
           title = {Surat tugas Penelitian Proceeding},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/10610/},
          author = {Burhayani, Eni}
}