00681nam0-22002411i-450-990002758500403321000275850FED01000275850(Aleph)000275850FED0100027585020000920d1957----km-y0itay50------baENGSome Applications of behavioural research.by Likert R. and Hayes S.SuisseUNES1957Hayes,Samuel Perkins<jr.>ITUNINARICAUNIMARCBK9900027585004033214-1-241214 ITAECAECASome Applications of behavioural research422585UNINAING01