@unpublished{repository10728,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR HAMKA},
           title = {BAP-DAFTAR HADIR-NILAI, Mata Kuliah KlasifikasiTanah Kelas 4A, R Tricahyono NH},
             url = {http://repository.uhamka.ac.id/id/eprint/10728/},
          author = {Tricahyono, Nur Harsono}
}