@article{RO_2019__53_3_887_0, author = {Rodrigues, Filipe and Requejo, Cristina}, title = {Suppliers selection problem with quantity discounts and price changes: {A} heuristic approach}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {887--901}, publisher = {EDP-Sciences}, volume = {53}, number = {3}, year = {2019}, doi = {10.1051/ro/2017075}, zbl = {1423.90122}, mrnumber = {3975705}, language = {en}, url = {http://www.numdam.org/articles/10.1051/ro/2017075/} }