2
by Drenth, Pieter J. D.
2. ed. - Hove : Psychology Press, 1998
Book
3
by Drenth, Pieter J. D.
2. ed. - Hove : Psychology Press, 1998
Book
4
5
by Drenth, Pieter J. D.
2. ed. - Hove : Psychology Press, 1998
Book
6
by Drenth, Pieter J. D.
Luxembourg : Office for Official Publications of the European Communities, 1999
Book