Mohapatra, B. K., Paul, A. K. and Sahoo, R. K. (1989) “Characterisation of Manganese Ores of a Part of Western Koira Valley, Keonjhar District, Orissa”, Journal of Geological Society of India, 34(6), pp. 632–646. Available at: https://geosocindia.com/index.php/jgsi/article/view/66418 (Accessed: 30 June 2024).