@book{13829,
	author = {Itl Education Solutions},
	title = {Data communications and computer networks},
	publisher = {ITL Educations solutions limited},
	year = {2012},
	address = {New Dehli},
	url = {https://libgen.is/book/index.php?md5=D810877F962E3E82CE7456237E5AD805}
}