@misc{repository54711,
           title = {Sertifikat PANITIA Pekerti 19 Alvin Eryandra, S.Psi., M.Si},
       publisher = {Universitas Muhammadiyah Prof DR Hamka},
          author = {Eryandra, Alvin},
             url = {http://repository.uhamka.ac.id/id/eprint/54711/}
}