@misc {IOPORT.70146823,
    author       = {Allal-Ch\'erif, Oihab},
    title        = {How IS contribute to the development of a sustainable procurement policy},
    howpublished = {PRO-VE, 133-141 (2010).},
    year         = {2010},
    doi          = {10.1007/978-3-642-15961-9_15},
    identifier   = {70146823},
}