A. Aray. “Remote Sensing and GIS Techniques and Analytical Assessment for Hirehalla Watershed in Koppal District, Karnataka, India”. International Journal of Research and Review Techniques, ISSN: 3006-1075, vol. 3, no. 3, July 2024, pp. 53-69, https://ijrrt.com/index.php/ijrrt/article/view/213.