@unpublished{repository44939,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {sk,bap,daftarhadir,nilai konstruktivisme 6},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/44939/},
          author = {Hari, Naredi}
}