1
Published: 1969
Superior document: Educational research European survey 1968 2
2
Other Authors:
“...Europarat...”
3
Other Authors:
“...Europarat...”
4
Other Authors:
“...Europarat...”
5
Published: 1991
Links: Inhaltsverzeichnis
6
Other Authors:
“...Europarat...”
7
Other Authors:
“...Europarat...”
8
Published: 1993
Superior document: Population studies 25
9
Published: 1984
Superior document: Population studies 14
10
Published: 2003
11
Other Authors:
“...Europarat...”
12
Other Authors:
“...Europarat...”
13
Published: 1969
Superior document: Educational research European survey 1968 1
14
Published: 1969
Superior document: Educational research European survey 1968 3
15
Published: 1969
Superior document: Educational research European survey 1968 4
16
Other Authors:
“...Europarat...”
17
Published: 1990
18
Published: 1966-
19
Published: 1986
20
Published: 1989