Poonam Behera, Sancy Sanjay, Beri Prathima, Prachi Singh, Sunil D. M. “Machine Learning Based Drought Prediction System Using Cloud and IOT ”. International Journal of Modern Agriculture, vol. 10, no. 2, May 2021, pp. 3762 -71, http://modern-journals.com/index.php/ijma/article/view/1247.