Dang MP, Le HG, Le S Đang, Ho GN, Truong H Đức, To MT. Design development and manufacture of a 4-axis laser engraving cnc machine to engrave wooden mica, watermelon and cylindrical component surfaces . JTE [Internet]. 2021 Oct. 28 [cited 2026 Apr. 7];16(5):27-36. Available from: https://www.jte.edu.vn/index.php/jte/article/view/1063