López Martínez, C. A., Hernández Riaño, H. E., & Soto de la Vega, M. J. (2019). A Discrete Squirrel Search Algorithm applied to the Job Shop problem with skilled operators. Inge Cuc, 15(2), 143–154. https://doi.org/10.17981/ingecuc.15.2.2019.14