Widiyono, Eddy, Winarto, Rivai Wardhani, and Liza Rusdiyana. 2025. “Engineering Design of A Gang Drilling Machine Equipped With Jig and Fixtures to Make A Prototype Machine in Birdcage Production”. IPTEK The Journal for Technology and Science 22 (4):214-20. https://doi.org/10.12962/j20882033.v22i4.5644.