Shalu, G. ., . K. Zubereya, S. . Anbazhagi, and M. . Muthuchamy. “Assessment of Vegetation Index in Selected Protected Areas of Southern Western Ghats, Kerala, India”. Journal of Tropical Forestry and Environment, vol. 11, no. 01, Nov. 2021, http://journals.sjp.ac.lk/index.php/JTFE/article/view/5366.