N Sankaran, T N Balasubramanian, K Kandiannan, K K Chandaragiri,. “Delineation of Turmeric Zones in Tamil Nadu”. Journal of Spices and Aromatic Crops 10, no. 2 (December 24, 2001): 153. Accessed September 22, 2025. https://updatepublishing.com/journal/index.php/josac/article/view/4635.