N, Praburam, and Seetharaman S. “J.M. Nallasamy Pillai’s Magazine ‘Siddhanta Deepikai’ Study Summary”. International Research Journal of Tamil 4, no. S-21 (November 15, 2022): 97-102. Accessed October 7, 2025. https://www.irjt.iorpress.org/index.php/irjt/article/view/1693.