@book{103584,
	author = {Poler, Raul, and Mula, Josefa,},
	title = {Operations research problems :},
	publisher = {Springer,},
	year = {2025},
	address = {London, England :},
	edition = {Second edition},
	url = {https://link-springer-com.libraryumpsa.idm.oclc.org/book/10.1007/978-1-4471-7546-9}
}