[1] Choudhury, A. (2014) Energy Audit Report of Tata Sponge Iron Company Limited.
[2] Choudhury, A. (2014) Energy Audit Report of Mahendra Sponge & Power Limited.
[3] Rakshit, P.C. Thermodynamics. Publisher, publisher’s location.
[4] Hougen, O.A., Watson, K.M. and Ragatz, R.A. (1954) Chemical Process Principal. John Wiley & Sons Inc., Hoboken.