1. Tupkary RH, Tupkary VR, (2007) an introduction to modern iron making, 3rd edition, Khanna publisher New Delhi.
2. Vaish AK, Nayak B, Mehrotra SP, Gupta RC (2007) The Ni-Cr-Co bearings magnetite ore of Nagaland. India- Its mineralogical characteristics, JMMS 49:215–220
3. Chatterjee A (1994) Beyond the Blast Furnace. CRC Press, Boca Raton USA
4. Indian Minerals Year Book (2015) government of India, Ministry of Mines
5. Indian Bureau of Mines, (2016)