| LEADER | 00472nam a2200145 a 4500 | ||
|---|---|---|---|
| 001 | UNA01000258199 | ||
| 005 | 20120716140027.0 | ||
| 008 | 120716s2004 r 000 0 spa d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 354.36 |b W324w |
| 245 | 1 | 0 | |a The World Bank Group's Program for Water Supply and Sanitation. |
| 260 | |a India : |b Water Supply Sanitation Sector Board, |c 2004. | ||
| 300 | |a 30 p. ; |c 29 cm. | ||
| 650 | 0 | 4 | |a AGUA |
| 650 | 0 | 4 | |a POBREZA |