Helminth control in school-age children: a guide for managers of control programmes /
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | Spanish English |
| Argitaratua: |
Geneva:
Word Health Organization,
2002.
|
| Edizioa: | Segunda edición |
| Gaiak: |