@unpublished{repository27860,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {SK, BAP, Presensi, Nilai 4D Metodologi Penelitian},
             url = {http://repository.uhamka.ac.id/id/eprint/27860/},
          author = {Iba, Khairil}
}