M.Saravanakumar, P. Tamilselvam , M.Subramanian, C.Somu, “ECO-FRIENDLY MACHINING OF SUPER DUPLEX STAINLESS STEEL (UNS S32760) UNDER NITROGEN GAS COOLED AND VEGETABLE OIL BASED MQL SYSTEM”, J Arch.Egyptol, vol. 17, no. 9, pp. 5267 - 5295, Nov. 2020.