வல்லிக்கண்ணன் கடிதங்களில் வாழ்வியல்: Life and Living in the Letters of Vallikannan. Tamilmanam International Research Journal of Tamil Studies, [S. l.], v. 12, n. 04, p. 582–590, 2026. DOI: 10.63300/tm12042026.46. Disponível em: https://tamilmanam.in/journal/index.php/issue/article/view/698. Acesso em: 2 oct. 2026.