| 2.
| Bolivia - Bomba manual Yaku - Manual de instalacion : manual tecnico no. 2 (Spanish) | 1995/07/01 | 72043 | UNDP-Water & Sanitation Program |
| 3.
| Bolivia - Bomba manual Yaku : Descripcion de la bomba (Spanish) | 1995/07/01 | 72044 | UNDP-Water & Sanitation Program |
| 4.
| Yacupaj - Sustentabilidad de los servicios de agua y saneamiento (Spanish) | 1995/07/01 | 72007 | UNDP-Water & Sanitation Program |
| 7.
| Mining and the community : results of the Quito Conference (English) | 1998/04/30 | 19748 | Working Paper (Numbered Series) |
| 10.
| Peru : Lineamientos para un programa nacional de agua y saneamiento rural (Spanish) | 1998/06/01 | 72046 | UNDP-Water & Sanitation Program |