Paperback
ISBN: 978-92-4-154403-0
ISBN-10: 92-4-154403-1
World Health Organization ยท 1990
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Paperback
ISBN: 978-92-4-154403-0 ISBN-10: 92-4-154403-1 World Health Organization ยท 1990 |
| See also (possibly by other authors): | ||
| 1974 | Paperback | Equipment for vector control |