Operations research and simulation in master's degrees: A case study regarding different universities in Spain. - Alex Grasas; Helena Ramalhinho Dias Lourenço; Angel A. Juan (WSC, 2013)

Vehicle routing in a Spanish distribution company: Saving using a savings-based heuristic. - Alex Grasas; José Cáceres-Cruz; Helena R. Lourenço; Angel A. Juan; Mercè Roca (OR Insight, 2013)

An ILS-based algorithm to solve a large-scale real heterogeneous fleet VRP with multi-trips and docking constraints. - Vitor Nazário Coelho; Alex Grasas; Helena Ramalhinho Dias Lourenço; Igor Machado Coelho; Marcone J. F. Souza; R. C. Cruz (Eur. J. Oper. Res., 2016)

SimILS: a simulation-based extension of the iterated local search metaheuristic for stochastic combinatorial optimization. - Alex Grasas; Angel A. Juan; Helena R. Lourenço (J. Simulation, 2016)

Biased randomization of heuristics using skewed probability distributions: A survey and some applications. - Alex Grasas; Angel A. Juan; Javier Faulin; Jésica de Armas; Helena R. Lourenço (Comput. Ind. Eng., 2017)