M. Khalil, H. Radwan, F. Annuar, H. Azmi, and M. Z. Zakaria. “Study of Machining Characteristics of LLPDE/Palmac Palm Oil-Based Wax Blend for Prototype Applications”. Journal of Advanced Research Design, vol. 6, no. 1, Sept. 2023, pp. 11-20, https://akademiabaru.com/submit/index.php/ard/article/view/4927.