Books
- Molecular Farming of Plants and Animals for Human and Veterinary Medicine
- Sex Roles in the Nigerian Tiv Farm Household (Women's Roles and Gender Differences in Development, No 2)
- In vitro Haploid Production in Higher Plants : Volume 1: Fundamental Aspects and Methods (Current Plant Science and Biotechnology in Agriculture)
- Controlled Delivery of Crop-Protection Agents
- Client-driven Change and Institutional Reform in Agricultural Extension: an Action Learning Experience from Zimbabwe (Agricultural Research and Extension Network (AgREN) Paper)
Books