@book{4023,
	author = {Barkakati, Nabajyoti},
	title = {Object-Oriented Programming in C++},
	publisher = {Prentice Hall },
	address = {New Delhi},
	url = {https://libgen.is/book/index.php?md5=B9EED33028DFD3FE099440CAAC05CCAD}
}