An Integer Programming Approach to Elective Surgery Scheduling: Analysis and Comparison Based on a Real Case
Ines Marques, Maria Eugénia Captivo, Margarida Vaz Pato
Or Spectrum, vol. 34, 2012, p. 407-427.

Excess Worker Turnover and Fixed-Term Contracts: Causal Evidence in a Two-Tier System
Alvaro Novo, Mário Centeno
Labour Economics, vol. 19, 2012, p. 320-328.

The Attractiveness of Portugal as a Tourist Destination, by Mature Domestic Travellers
Joana M. O. Neves
World Review Of Entrepreneurship Management And Sustainable Development, vol. 8, 2012, p. 37-52.