BARRO, Robert J. - YI, Chong-hwa. Education matters : global schooling gains from the 19th to the 21st century. New York : Oxford University Press, [2015]. ©2015. xi, 289 stran. Dostupné na internetu: <http://www.gbv.de/dms/bowker/toc/9780199379231.pdf> ISBN 978-0-19-937923-1.