Asokan, R. and Sivagnanam, N. (2024) “Objective Regionalisation of Tamil Nadu, a Southern State of India based on Principal Component Analysis”, Vayumandal, 40(1-2), pp. 113-122. Available at: https://vayumandal.imetsociety.org/index.php/Vayumandal/article/view/159 (Accessed: 22August2025).