M. R. ANITA and S. LAKSHMI, “Effect of water stress on water use efficiency and carbon isotope discrimination in fodder cowpea varieties”, J. Indian Soc. Coastal Agric. Res., vol. 33, no. 1, pp. 87–90, May 2023, Accessed: Jun. 25, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/JISCAR/article/view/136257