Statement of responsibility:

Publication/Distribution (Imprint):

Paris, 1991.

Physical Description:

149 p. : graphs, tables

Language:

ISBN:

9231027514

Subjects--Topical Terms:

Education
EDU

Class. No:

R 16.4 UNE -5979

Accession No:

5979

General Note:

ISBN 92-3-102751-4