@unpublished{repository49810,
           title = {Surat Tugas Webinar Introduction to TRIZ},
       publisher = {Universitas Muhammadiyah Prof.DR.Hamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/49810/},
          author = {Fikri, Agus}
}