Parra Mena, Juan, Erling Gallardo Vizuete, and Erick Torres Peñaloza. 2019. “Effect of the Filling Percentage on Tensile Strength in 3D Desktop Printing for Different Printing Patterns, Using a Randomized Design of Experiments”. Enfoque UTE 10 (4), pp. 13 - 27. https://doi.org/https://doi.org/10.29019/enfoque.v10n4.503.