@unpublished{repository52491,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
           title = {Surat Tugas dan Sertifikat HKI Smart Edu},
          author = {Handayani, Sri Lestari},
             url = {http://repository.uhamka.ac.id/id/eprint/52491/}
}