00891nam0-22003131i-450-9900028704504033210-471-01273-4000287045FED01000287045(Aleph)000287045FED0100028704520000920d1994----km-y0itay50------baENGHow to conduct your own surveyPriscilla Salant and Don A. DillmanNew YorkJohn Wileyc1994xvi, 232 p.23 cmPianificazioni di indaginiCampionamento, Pianificazione di indagini300.7Salant,Priscilla116887DILLMAN, Don A.ITUNINARICAUNIMARCBK990002870450403321XV-B-304107MASMASHow to conduct your own survey416043UNINAING01