@unpublished{repository2395,
           title = {Praktikum Kimia Organik Kelas B2},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/2395/},
          author = {Hanifah, Rahmi}
}