African economic outlook 2015 : regional development and spatial inclusion. Paris : OECD, 2015. 351 s. Available on Internet: <http://www.oecd-ilibrary.org/development/african-economic-outlook-2015_aeo-2015-en> ISBN 978-92-64-23282-2. [Copy count : 1, currently available 1, at library only 0]