Introduction to operations research / Frederick S. Hillier https://biblioteca.isel.pt/cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=921 RSS feed for public list Introduction to operations research / Frederick S. Hillier Introduction to operations research by Frederick S. Hillier, Gerald J. Lieberman https://biblioteca.isel.pt/cgi-bin/koha/opac-detail.pl?biblionumber=5741 Introduction to operations research by Frederick S. Hillier, Gerald J. Lieberman https://biblioteca.isel.pt/cgi-bin/koha/opac-detail.pl?biblionumber=13560