@phdthesis{UNY1719,
            year = {2011},
          school = {UNY},
          author = {Erlina Kurniasih Widyaningrum},
           title = {ANALISIS KOVARIANS PADA RANCANGAN BUJURSANGKAR HYPER GRAECO LATIN},
             url = {http://eprints.uny.ac.id/1719/}
}