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 Periodical article |
| Title: | Sanitation: the unmet challenge |
| Author: | Simpson-Hébert, M. |
| Year: | 1994 |
| Periodical: | Maji |
| Issue: | 7 |
| Period: | December |
| Pages: | 17-20 |
| Language: | English |
| Geographic term: | world |
| Subjects: | Environment, Ecology sanitation public health Water quality Development programmes |