@book{27815,
	author = {Taha Hamdy A},
	title = {Operation Research},
	publisher = {Pearson Education Publisher},
	year = {2009},
	address = {India},
	url = {https://libgen.is/book/index.php?md5=C25C4AA31A4B1A6C43FC3A48108FF1DA}
}