Parra Mena, J. C., Gallardo Vizuete, E. R., & Torres Peñaloza, E. D. (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/10.29019/enfoque.v10n4.503