F Boud, and P Wood. “EVALUATING THE PERFORMANCE OF ENVIRONMENTALLY FRIENDLY AND MINERAL OILFREE CUTTING FLUIDS: A COMPARISON OF FULLY SYNTHETIC, SEMI-SYNTHETIC AND HEAVY-DUTY EMULSIONS ”. Malaysian Journal of Industrial Technology , vol. 8, no. 1, Mar. 2024, pp. 32-42, https://ejournal.unikl.edu.my/index.php/mjit/article/view/645.