"Customer selection and profit maximization in vehicle routing problems",
Operations Research Proceedings 2005: Springer Berlin Heidelberg, pp. 37–42, 2006.
"A bilevel fixed charge location model for facilities under imminent attack",
Computers & Operations Research, vol. 39, no. 7: Pergamon, pp. 1364–1381, 2012.
"Employee Scheduling in Service Industries with Flexible Employee Availability and Demand",
Omega, vol. 66, issue A, pp. 159-169, 2017.
"A Facility Location Model with Safety Stock Costs: Analysis of the Cost of Single-Sourcing Requirements",
Journal of Global Optimization, vol. 54(3), pp. 551-581, 2012.
"Nonuniform random numbers: A sensitivity analysis for transformation methods",
Lecture Notes in Econom. Math. Systems, vol. 374, New York, Springer-Verlag, pp. 135–144, 1992.