Constructing and controlling the 3-axis wood engraving laser machine: Graduation project of Electrical and electronics engineering technology/ Nguyen Hong Nhan, Le Hung Lam; Le Hoang Lam (Supervisor). -- Ho Chi Minh city: Ho Chi Minh city University of technology and education, 2025 Call no. : ĐKC-42 629.89 N573-N576