Husain, A. S., and M. Sundaramari. “Scientific Rationality and Evaluative Perception on Indigenous Plant Protection Practices on Coconut (Cocos Nucifera L.)”. Journal of Plantation Crops, vol. 39, no. 2, June 2011, pp. 290-8, https://updatepublishing.com/journal/index.php/JPC/article/view/5935.