@unpublished{repository10730,
           title = {BAP-DAFTAR HADIR-NILAI, Mata Kuliah Kalsifikasi Tanah Kelas 4B, R Tricahyono NH},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/10730/},
          author = {Tricahyono, Nur Harsono}
}