"Analyse factorielle." . . "Faktorenanalyse." . . . . . "Factor analysis" . "Factor analysis. A synthesis of factorial methods" . . "Factor Analysis : a synthesis of factorial methods" . . . . . . . . . . . . . . . . . . "Factor analysis : A synthesis of factorial methods" . . "Factor analysis; a synthesis of factorial methods" . . . . "Factor analysis a synthesis of factorial methods"@en . . "Factor analysis a synthesis of factorial methods" . . . . . . "Factor analysis : a synthesis of factorial methods"@en . "Factor analysis : a synthesis of factorial methods" . . . . . . . "Factor analysis." . . "Analiză factorială." . . "Analiza czynnikowa." . .