Van Driel, A., and R.A. Govender. “Development of a Prototype Embedded 3D Printer With Dual Ink-Gel Extrusion Capability”. The South African Journal of Industrial Engineering 36, no. 4 (December 12, 2025): 1–12. Accessed December 14, 2025. https://sajie.journals.ac.za/pub/article/view/3172.