@unpublished{repository41311,
            note = {Unpublished},
           title = {LJP Talk},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
          author = {Yulmaida Amir, Yulmaida},
             url = {http://repository.uhamka.ac.id/id/eprint/41311/}
}