@unpublished{repository9158,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {PPT Materi Ajar Mata Kuliah Metodologi Penelitian},
            note = {Unpublished},
          author = {Handayani, Sri Lestari},
             url = {http://repository.uhamka.ac.id/id/eprint/9158/}
}