Alles van: George Gallup
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George Gallup The pulse of democracy
the public-opinion poll and how it works
Engels | 335 pagina's | Simon and Schuster, New York | 1940
Gedrukt boek
Resultaat 1 - 1 (van 1)
the public-opinion poll and how it works
Engels | 335 pagina's | Simon and Schuster, New York | 1940
Gedrukt boek
George Gallup