@book{25154,
	author = {Sebesta, Robert W.},
	title = {Concepts Of Programming Languages},
	publisher = {Pakistan Study center PU},
	year = {2006},
	address = {Lahore},
	edition = {4th},
	url = {https://libgen.is/book/index.php?md5=38FD0A952FB28B7ACF28F9265C696475}
}