A real options approach to labour shifts planning under different service level targets R. Fernandes B. Gouveia C. Pinho Publication Journal: European Journal of Operational Research Year of Publication: 2013 Volume: 231 Issue: 1 Pagination: 182-189 Identifiers Other Numbers: 2-s2.0-84879939898 Alternative titles DOIGoogle ScholarBibTeXRIS Locators