1. Ali, R. & Rab, F. (2000). Research needs and new products development from under-utilized tropical crops. Acta Hort. (ISHS) 518:241–248. Retrieved from http;//www.actahort.org/books/518/518_33.htm. Accessed on 10 April 2014.
2. Centre for Underutilized Crops;DO Andika,2008
3. Bael Fruit. (2011). Bael Fruit –Medicinal properties and health benefits. Retrieved from blog.onlineherbs.com/bael-fruit-medicinal- properties-an…-United States. Accessed on 11 March 2014.
4. Bhatnagar, N., Bhandari, D. C., Dwivedi, N. K., & Rana, R. S. (1991). Performance and potential of jojoba in the Indian arid regions. Indian Journal of Plant Genetic Resources, 4(2), 57–66.
5. Chadha, K. L., & Pareek, O. P. (1988). Genetic Resources of Fruit Crops: Achievements and Gaps. Indian Journal of Plant Genetic Resources, 1(1and2), 43–48.