Gaurav Dabhi, Nishit Sanghvi, and Pinkesh Patel. “Should We Transform Our Lines to HVDC ?”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 1, no. 3, Mar. 2014, pp. 260-6, https://www.ijaerd.org/index.php/IJAERD/article/view/5390.