1. Akwaboah-Minkah, B. (2006).Effects of Rooting Hormone (NAA) on the Vegetative Propagation ofBombacopsis glabra. B.Sc. Thesis. Kwame Nkrumah University of Science & Technology, Kumasi, Ghana. 39 pp.
2. Atuah, L. (2006).Formulation of Soilless Media for Houseplant Production Using Sawdust and Coconut Coir for Both Local and Export Markets.Agricultural Services Sub-sector Investment Project. Agriculture, Forestry and Fisheries Sectors, Ornamental Research Programme. CSIR/MOFA, Accra, Ghana, 12–13.
3. Bobtoya, S. (2006).Effects of Pre-sowing Treatments on Germination and Growth ofParkia biglobosa(dawadawa) Seeds.B.Sc. Thesis. Kwame Nkrumah University of Science & Technology, Kumasi, Ghana. 70 pp.
4. Booth, F. E. M. and Wickens, G. E. (1998).Non-timber Uses of Selected Arid Zone Trees and Shrubs in Africa.FAO Conservation Guide, Rome, Italy. 92–101.
5. Bosch, C. H. (2004).Vegetables. Plant Resources of Tropical Africa (PROTA) 2.(Grubben, G. J. H. and Denton, O. A., Eds.). PROTA Foundation/Backhuys Publishers, CTA Wageningen, The Netherlands. 392–399.