1. A.K Singh and A.k Gupta (2006): Journal of synthetic lubrication; pages 167–176.
2. Motorucu, A. R. (2009): Surface roughness evaluation when machining carbon Steel with ceramic cutting tools.
3. Niraj Kumar Nayan (2011); a thesis submitted in the partial fulfillment of the requirement for the degree of Bachelor of Technology in Chemical Engineering, National Institute of Technology, Rourkela; pp28 & 29.
4. Odjoba E. O, AIna O. E, Ayilara S. J., Joklo O (2002): Fatty Acids Profile and Physicochemical Properties of Citrullus Vulgaris.
5. Ojolo S. J.; Amuda, M. O.H., Ogunmola O. Y, Ononiwu C. U.; (2008): Journal of Material Rio de Janeiro, vol. 13 No. 4 Rio de Janeiro.