“திணை வழி காணலாகும் பண்டமாற்று முறை: Barter System As Seen Through the Thinai (Ecoregions)”. Tamilmanam International Research Journal of Tamil Studies, vol. 12, no. 05, Oct. 2026, pp. 347-5, https://tamilmanam.in/journal/index.php/issue/article/view/860.