ISSN:
0033-1538
Note:
Literaturverz. S. 37
In:
Prospects, Geneva : International Bureau of Education of the United Nations Educational, Scientific and Cultural Organization, 1972, 23(1993), 1/2, Seite 21-37, 0033-1538
In:
volume:23
In:
year:1993
In:
number:1/2
In:
pages:21-37
Language:
Undetermined