SURFACE ROUGHNESS INVESTIGATION IN MQCL HARD MILLING OF HARDOX 500 STEEL USING EMULSION-BASED NANOFLUID. GJAETS [Internet]. 2019 Dec. 10 [cited 2024 Jul. 16];6(12):1-6. Available from: https://gjaets.com/index.php/gjaets/article/view/54