@book{11417,
	author = {Gupta, Prakash C.},
	title = {Data Communications and Computer Networks},
	publisher = {PHI Learning},
	address = {Haryana, India},
	edition = {2nd},
	url = {https://libgen.is/book/index.php?md5=7F9275F524446A8B444F4F1DF4A4421C}
}
