H.W. · Harry Waibel · Helmuth Waibel · Hermann Waibel
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Economics of Integrated Pest Control in Irrigated Rice: A Case Study from the Philippines | 978-0-387-16687-2 (0-387-16687-4) | 1986 | |
| Vegetable Production and Marketing in Africa: Socio-economic Research | 978-1-84593-649-5 (1-84593-649-3) | 2011 | D. Mithofer |