Metaheuristics and a matheuristic for solving the facility layout problem in the presence of alternative process plans and machine redundancyMehdi A. Kamran, Maghsud Solimanpur, Reza Atefi, Nooshin Atashfeshan and Yalda MansouriRAIRO-Oper. Res., 59 6 (2025) 3649-3674DOI: https://doi.org/10.1051/ro/2025104