Cheah, Chang Chong. “The Study of Surface Defects of Carbon Fibre Reinforced Polymer (CFRP) under Minimum Quantity Lubricant (MQL) in the Milling Process: A Literature Review”. Research Progress in Mechanical and Manufacturing Engineering 3, no. 1 (August 14, 2022): 236–250. Accessed May 4, 2024. https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/4489.