Frederico A. de Carvalho, Marcelino Jose Jorge and Alvaro Vieira Lima. An Approach to Assessing Service Operations in the Short and Long Runs: Efficiency Analysis and Empirical Application. IEAM-V10 [Internet]. 2021 May 28 [cited 2026 Jun. 4];:172-84. Available from: https://stm.bookpi.org/IEAM-V10/article/view/1477