M, Mathialagan. “Industrial Development in South Kongu Region As Shown by Stone Inscriptions in Tholkaapiyar’s Theory”. International Research Journal of Tamil 4, no. S-18 (December 8, 2022): 500-506. Accessed May 19, 2024. https://irjt.iorpress.org/index.php/irjt/article/view/1843.