Rajendiran, K., L. Gowsalya, and J. S. Sudha. “In Vitro Screening of Stem Explants of In Situ Uv-B Irradiated Cowpea Varieties for Germplasm Storage”. International Journal of Applied Sciences and Biotechnology, vol. 4, no. 1, Mar. 2016, pp. 44-52, doi:10.3126/ijasbt.v4i1.14573.