A two-level optimisation-simulation method for production planning and scheduling: the industrial case of a human–robot collaborative assembly line Miguel Vieira Samuel Moniz Bruno S. Gonçalves Tânia Pinto-Varela Ana Paula Barbosa-Póvoa Pedro Neto Publication Journal: International Journal of Production Research Year of Publication: 2021 Identifiers ISSN: 1366-588X Other Numbers: 2-s2.0-85103655592 Alternative titles DOIGoogle ScholarBibTeXRIS Locators