@unpublished{repository46164,
           title = {ST\_Sertifikat\_Seminar},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/46164/},
          author = {Nofriza, Fatma}
}