Mrs. Abinaya.G, Aratrika Roy, Kurnal Pratap Singh, Aayush Parashar. “Ensemble Improved Images Classification Based on Unified ELM”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, May 2020, pp. 4361 -73, http://sersc.org/journals/index.php/IJAST/article/view/13750.