Resource allocation in parallel-series production systems with shared inputs and outputs: a data envelopment analysis approachAlireza Amirteimoori, Reza Kazemi Matin and Amir Hossein YadollahiRAIRO-Oper. Res., 59 5 (2025) 3207-3225DOI: https://doi.org/10.1051/ro/2025123