@unpublished{repository56199,
           title = {Bukti Ajar MK Sosiologi Pendidikan 6D},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/56199/},
          author = {Sulaeman, Sulaeman}
}