@unpublished{repository41242,
       publisher = {Uhamka},
            note = {Unpublished},
           title = {1A Fisika\_Prakt. Fisika Dasar 1},
             url = {http://repository.uhamka.ac.id/id/eprint/41242/},
          author = {Tri Isti Hartini, TIH}
}