1. Asare-Marfo, D. (2014). Biofortification prioritization index (BPI)/IFPRI.
2. Golden Rice and ‘Golden’crops for human nutrition;Beyer;New Biotechnology,2010
3. Buitrago, J. A., Ospina Patiño, B., Gil Llanos, J. L., & Aparicio, H. (2007). Cassava root and leaf meals as the main ingredients in poultry feeding: Some experiences in Colombia. In: R. H. Howeler (Ed.), Cassava research and development in Asia: Exploring new opportunities for an ancient crop (pp. 523–541). Proceedings of the seventh regional workshop held in Bangkok, Thailand, Oct 28-Nov 1, 2002. Bangkok, TH: Centro Internacional de Agricultura Tropical (CIAT), Cassava Office for Asia.
4. Cassava;Bonierbale,1997
5. Biofortification: A new tool to reduce micronutrient malnutrition;Bouis;Food and Nutrition Bulletin,2011