K. A. Peña Castañeda, J. B. Oscco Villar, and E. M. Cabrera Gil Grados, “Improvement model to reduce internal lead time trough SLP, slotting and MRP in a metalworking plant”, LACCEI, vol. 1, no. 14, July 2026, doi: 10.18687/LACCEI2026.1.1.996.