@unpublished{repository19755,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {BAP,DKM,DNM Kimia Dasar 1A},
             url = {http://repository.uhamka.ac.id/id/eprint/19755/},
          author = {Rifky, Rifky}
}