Lectures actives (French Wikipedia)

Analysis of information sources in references of the Wikipedia article "Lectures actives" in French language version.

refsWebsite

Global rank French rank

1books.google.com

3^rd place

11^th place

books.google.com

(en) Catalog of Copyright Entries. Third Series: 1953: July-December, Copyright Office, Library of Congress, 1954 (lire en ligne).