Chaukiyal, S. P. “Standardization of <I>In-vivo< I> Nitrate Reductase Activity in <I>Clitoria ternatea< I> L. Leaves”. Indian Forester, vol. 134, no. 2, Feb. 2008, pp. 250-4, doi:10.36808/if/2008/v134i2/680.