@book{20862,
	author = {Novikov, Alexander M. Dmitry A. Novikov},
	title = {Research Methodology From Philosophy of Science to Research Design VOL 3},
	publisher = {CRC Press},
	address = {New York},
	url = {https://www.libgen.rs/book/index.php?md5=97FA7E9A6900F28C52FBC7325A83D69C}
}