@book{4866,
	author = {Blaha, Michael},
	title = {Object-Oriented Modeling and Design With UML},
	publisher = {Pearson Education Publisher},
	year = {2007},
	address = {India},
	url = {https://libgen.is/book/index.php?md5=28B7DA5B989254E6739A24DC5316D827}
}