Added new book.
Updated Records
| When | What | Comment |
|---|---|---|
| June 17, 2012 | Added 1971 Editorial Pax - Mexi... edition of Actitudes Positivas en la Enseñanza. | |
| June 17, 2012 | Added 1971 Editorial Pax - Mexi... edition of Actitudes Positivas en la Enseñanza. |