# GLSPPL-RF
Instances, Visual Studio 2019 Project and codes corresponding to mathematical model and relax-and-fix heuritics to the GLSPPL used in the work (1).

(1) K. A. G. Araujo, E. G. Birgin, M. S. Kawamura, and D. P. Ronconi,
Relax-and-fix heuristics applied to a real-world lot-sizing and
scheduling problem in the personal care consumer goods industry,
submitted.