@unpublished{repository6993,
            note = {Unpublished},
            year = {2021},
           month = {March},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {Sertifikat APTIKOM},
             url = {http://repository.uhamka.ac.id/id/eprint/6993/},
          author = {Burhayani, Eni}
}