M. I. Fahad, A. Z. M. Shammari, and R. binti M. Nasir, “A Study on the Effect of Multistage Toolpath in Fabricating a Customized Cranial Implant in Incremental Sheet Metal Forming”, alkej, vol. 19, no. 3, pp. 72–87, Sep. 2023, doi: 10.22153/kej.2023.03.003.