African economic outlook 2016 : sustainable cities and structural transformation. Paris : OECD, 2016. 389 s. Available on Internet: <http://www.oecd-ilibrary.org/development/african-economic-outlook-2016_aeo-2016-en> ISBN 978-92-64-25646-0. [Copy count : 1, currently available 1, at library only 0]