?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Fomba&rft.aufirst=Soumana&rft.date=2016&rft.title=A+Recommender+system+based+on+MultiCriteria+Aggregation&rft.genre=proceeding