Hernández Gegen L, Madrid Carrillo E, Sandoval Martínez C. Basic Principles For Programming A Numerically Controlled Machine. Ingenio Magno [Internet]. 2023Jul.27 [cited 2024May19];14(1):70 -77. Available from: http://revistas.ustatunja.edu.co/index.php/ingeniomagno/article/view/2789