Mohapatra, B. K., A. K. Paul, and R. K. Sahoo. “Characterisation of Manganese Ores of a Part of Western Koira Valley, Keonjhar District, Orissa”. Journal of Geological Society of India 34, no. 6 (December 1, 1989): 632–646. Accessed June 30, 2024. https://geosocindia.com/index.php/jgsi/article/view/66418.