@unpublished{repository4621,
            note = {Unpublished},
            year = {2020},
       publisher = {universitas muhammadiyah prof dr hamka},
           title = {pengangkatan kepala lab IPA Fkip},
           month = {October},
             url = {http://repository.uhamka.ac.id/id/eprint/4621/},
        abstract = {pengangkatan lab},
          author = {yulia, rahmadhar}
}