[1]
R. S. P. S. K. A. K. Radhika, S. Sivagnanam, J. Sekar, Y. Muralidharudu, Pradip Dey and A. Subba Rao, “Soil Fertility Appraisal for Villupuram District of Tamil Nadu using GPS and GIS Techniques”, JISSS, vol. 66, no. 2, Sep. 2018, Accessed: Jun. 06, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/JISSS/article/view/83001