Joshi, K. D. “The Problem of Soil Erosion Along the Jamna and Chambal Ravines in the United Provinces, Especially in Etawah District”. Indian Forester 72, no. 7 (July 1, 1946): 316–317. Accessed December 4, 2025. http://indianforester.co.in/index.php/indianforester/article/view/22582.