| Oil palm cultivation and management | The Incorporated Society of Planters | Tiada | 1974 | |
| Language development and cultivation:alternative approaches in language planning | Department of Linguistics, the Australian National University | Tiada | 1986 | 0 85883 332 8 |
| Advances in oil palm cultivation : the proceedings of the International oil palm conference held in Kuala Lumpur, 16 - 18 November 1972 | Incorporated Society of Planters | Tiada | 1973 | |