M.Saravanakumar, P. Tamilselvam , M.Subramanian, C.Somu 2020. ECO-FRIENDLY MACHINING OF SUPER DUPLEX STAINLESS STEEL (UNS S32760) UNDER NITROGEN GAS COOLED AND VEGETABLE OIL BASED MQL SYSTEM. PalArch’s Journal of Archaeology of Egypt / Egyptology. 17, 9 (Nov. 2020), 5267 - 5295.