Dhawan, S.M., Brij Mohan Gupta, and Ritu Gupta. “Mapping Global Research Output in Big Data During 2007-16”. Emerging Science Journal 2, no. 3 (July 9, 2018): 117–129. Accessed June 13, 2025. http://www.ijournalse.org/index.php/ESJ/article/view/78.