@unpublished{repository45610,
           title = {BAP,DKM,DNM Termodinamika 4A},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/45610/},
          author = {Rifky, Rifky}
}