He finished his study of Sociology at the Utrecht University in 1968 and got his PhD degree from the University of Amsterdam in 1979 .
Willem E. Saris was born in Leiden , the Netherlands , in 1943 .
Willem E. Saris finished Willem E. Saris ' study of Sociology at the Utrecht University in 1968 and got his PhD degree from the University of Amsterdam in 1979 .
Willem E. Saris was born in Leiden , the Netherlands , in 1943 .