@unpublished{repository28465,
           title = {Sertifikat seminar UII \& Deakin Joint Lecture},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/28465/},
          author = {Hartati, Neti}
}