@unpublished{repository44247,
       publisher = {Media Sains Indonesia},
            note = {Unpublished},
           title = {Sertifikat Penulis Buku Biostatistik Dasar\_Fitria},
             url = {http://repository.uhamka.ac.id/id/eprint/44247/},
          author = {fitria, fitria}
}