@article{202405.0033,
	doi = {10.20944/preprints202405.0033.v1},
	url = {https://doi.org/10.20944/preprints202405.0033.v1},
	year = 2024,
	month = {May},
	publisher = {Preprints},
	author = {Zhen Gao and Danning Li and Danni Wang and Zengcai Yu},
	title = {Raw Material Purchasing Optimization Using Column Generation},
	journal = {Preprints}
}