@book{17320,
	author = {Mall,Rajib},
	title = {Fundamentals of software engineering},
	publisher = {PHI Learning},
	year = {2013},
	address = {New Dehli},
	url = {https://www.libgen.is/book/index.php?md5=79FA26FCC31EEB88C657DF98F89BF60A}
}