@unpublished{repository42204,
           title = {Surat tugas dan sertifikat webinar Edukasi Berbasis Desain},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
          author = {Tsurayya, Ayu},
             url = {http://repository.uhamka.ac.id/id/eprint/42204/}
}