Mathur, Dr. Anshu. “An Empirical Study of Problems Faced by Researchers of Delhi NCR During Their Ph.D.”. International Journal of Advanced Science and Technology 28, no. 16 (November 30, 2019): 499 - 506. Accessed May 7, 2024. http://sersc.org/journals/index.php/IJAST/article/view/1819.