Akash Bhattacharyya, Siddharth S. Rautaray, Manjusha Pandey. “A Model for Document Retrieval Using Earth Mover Distance ”. International Journal of Control and Automation, Vol. 13, no. 02, June 2020, pp. 1004 -10, http://sersc.org/journals/index.php/IJCA/article/view/26875.