| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Agricultural Sector Analysis and Models in Developing Countries | Paperback | 978-92-5-100633-7 | 1982 | |
| Ec Oj Vol 47 L133 30042004 | " | 978-0-11-920475-9 | 1971 | |
| Planning Techniques for a Better Future | " | 978-92-2-101552-9 | 1976 | Graham Pyatt |
| Planning Techniques for a Better Future | Hardcover | 978-92-2-101553-6 | 1976 | " |