@unpublished{repository8318,
           title = {Peer Review Prosiding 2nd ICE STEM},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR.HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/8318/},
          author = {Prima, Mutia Sari}
}