Rayala, N., T. S, R. B. V, R. R. V, and S. B. “Genetic Diversity Analysis of Zinc, Iron, Grain Protein Content and Yield Components in Rice”. Electronic Journal of Plant Breeding, Vol. 7, no. 2, Sept. 2016, pp. 371-7, http://www.ejplantbreeding.org/index.php/EJPB/article/view/988.