A variable neighborhood-based heuristic for the heterogeneous fleet vehicle routing problemIMRAN, Arif; SALHI, Said; WASSAN, Niaz A et al.European journal of operational research. 2009, Vol 197, Num 2, pp 509-518, issn 0377-2217, 10 p.Article

The multi-depot vehicle routing problem with heterogeneous vehicle fleet: Formulation and a variable neighborhood search implementationSALHI, Said; IMRAN, Arif; WASSAN, Niaz A et al.Computers & operations research. 2014, Vol 52, pp 315-325, issn 0305-0548, 11 p., bArticle