@book{17501,
	author = {Mangal, S.K.},
	title = {Statistics in Psychology and Education},
	publisher = {Prentice Hall },
	address = {New Delhi},
	edition = {2nd},
	url = {https://libgen.is/book/index.php?md5=4BDE3166CCDEA2A988B81ABB79B0AF9B}
}