CHAJDIAK, Jozef. Expert assessment of the state and development of the economy of Slovakia for the year 2015 compared to the year 2014 and the estimation of the future development of GDP. In Views of the Slovak economy in 2016 = Pohľady na ekonomiku Slovenska 2016. 1.vyd. Bratislava : SSDS, 2016, S.8-12. ISBN 978-80-88946-71-7.