Education at a glance 2015 : OECD indicators. Paris : OECD, 2015. 563 s. Available on Internet: <http://www.oecd-ilibrary.org/education/education-at-a-glance-2015_eag-2015-en> ISBN 978-92-64-24208-1. [Copy count : 1, currently available 1, at library only 0]