Booklet explaining 2 serious illnesses: hookworm and guineaworm. Read more...
Reader for grades 7, 8, 9 and 10 with stories, questions and exercises. Read more...
4 Issues of the series are available in this library: no.4: operacion y mantenimiento de obras de saneamiento basico en comunidades rurales, no.5:... Read more...
The report reviews the progress made in 1992-93 in the Water and Sanitation for Ecuadorian Development (WASHED) project. Read more...