| LEADER | 00580nam a22001691a 4500 | ||
|---|---|---|---|
| 001 | UNA01000052771 | ||
| 005 | 20120328191337.0 | ||
| 008 | 080728s1992 000 0 spa d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 371.102 |b D635e |
| 100 | 1 | |a Dobson, Julia M. | |
| 245 | 1 | 0 | |a Effective techniques for english conservation groups / |c Julia M. Dobson |
| 260 | |a Washington, D.C. : |b English language programs division , |c 1992 | ||
| 300 | |a 137 p. ; |c 21 cm. | ||
| 310 | |a Manual de profesores de secundaria | ||
| 650 | 0 | 4 | |a INGLES |
| 650 | 0 | 4 | |a ENSEÑANZA |