Open government data review of Poland : unlocking the value of government data. Paris : OECD, 2015. 128 s. OECD digital government studies. Dostupné na : <http://www.oecd-ilibrary.org/governance/open-government-data-review-of-poland_9789264241787-en> ISBN 978-92-64-24177-0. [Počet ex. : 1, z toho voľných 1, prezenčne 0]