PISA 2012 results: Ready to learn : student's engagement, drive and self-beliefs. Volume III. Paris : OECD, 2013. 520 s. Available on Internet: <http://www.oecd-ilibrary.org/education/pisa-2012-results-ready-to-learn-volume-iii_9789264201170-en> ISBN 978-92-64-20116-3. [Copy count : 1, currently available 1, at library only 0]