@unpublished{repository6995,
           title = {Surat Tugas APTIKOM},
            year = {2021},
            note = {Unpublished},
           month = {March},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/6995/},
          author = {Burhayani, Eni}
}