Inventiveness in Poland and its significance for the economy

Inventiveness in Poland and its significance for the economy / Stanisław Urban .
In: Hradecké ekonomické dny 2009 [163 s.]. ISBN 978-80-7041-443-9 (brož.) Hradecké ekonomické dny 2009. Hradec Králové : Gaudeamus, 2009. s. 156-162 : 6 tab. .