@unpublished{repository23368,
       booktitle = {The 2nd National Conference on Mathematics Education (NaCoME)},
            note = {Unpublished},
           title = {Experimental Design of Three Learning Methods in Economic Mathematics Course},
          author = {Leni Marlena, Leni},
             url = {http://repository.uhamka.ac.id/id/eprint/23368/}
}