@unpublished{repository33523,
           title = {Proof of the effect of electric current on function of
tara calor using total derivative},
       publisher = {uhamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/33523/},
          author = {Imas Ratna Ermawati, IRE}
}