A practical guide to behavioral research tools and techniques - Sommer, Robert 1864-1937; Sommer, Barbara B. (Oxford Univ. Press, 1986)
Keywords: Behavioural sciences - Research - Methodology; Psychologie - Recherche; Sciences sociales - Méthodologie; Sciences sociales - Recherche; Sciences sociales - Recherche - Informatique; Datenverarbeitung; Sozialwissenschaften; Psychology; Psychology -- Research; Research -- methods; Social Sciences; Social sciences -- Methodology; Social sciences -- Research; Social sciences -- Research -- Data processing; Methode; Verhaltensforschung