@inproceedings{inproceedings905ccb8b,
title   = {Addressing the multistage integrated procurement and lot-sizing problem with demand fulfillment, backlogging and service levels},
author = {Tomazella, Caio Paziani and Santos, Maristela Oliveira dos and Alem Junior, Douglas José and Jans, Raf},
year = {2021},
publisher = {Association of European Operational Research Societies},
booktitle   = {European Conference on Operational Research}
}