Use of an orthogonal arrangement for the analysis of the process of die sink electrical discharge machining with shape electrodes of graphite and copper on aluminum micro-casting). Enfoque UTE [Internet]. 2018 Sep. 28 [cited 2025 Jun. 28];9(3):pp. 67 - 79. Available from: https://ingenieria.ute.edu.ec/index.php/revista/article/view/315