| LEADER | 00505nam a22001571a 4500 | ||
|---|---|---|---|
| 001 | UNA01000025470 | ||
| 005 | 20131217110949.0 | ||
| 008 | 080728s1971 ilu r 000 0 spa d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 372.414 |b A113s |
| 100 | 1 | |a Aaron, Ira E. | |
| 245 | 1 | 0 | |a Studybook level / |c Ira E. Aaron ... [et al.]. |
| 260 | |a Glenview, Illinois : |b Scott Foresman , |c c1971. | ||
| 300 | |a volúmenes : |b ilustraciones ; |c 28 cm. | ||
| 650 | 0 | 4 | |a INGLES |
| 650 | 0 | 4 | |a ENSEÑANZA |