Llwytho...
eradication of smallpox from India
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
New Delhi
World Health Organisation
1979
|
| Pynciau: |
| Disgrifiad o'r Eitem: | |
|---|---|
| Disgrifiad Corfforoll: | xv, 346p. |