Jayendra Kumar Singh. “MAPPING OF PHYSICS OUTPUT FROM SELECTED UNIVERSITIES OF INDIA DURING 2001-2010: A STUDY BASED ON WEB OF SCIENCE”. Researchers World - International Refereed Social Sciences Journal, vol. 4, no. 2, Sept. 2021, pp. 155-6, https://www.researchersworld.com/index.php/rworld/article/view/1060.