1. Business tendency surveys at the Poznan University of Economics
:Business tendency surveys at the Poznan University of Economics. Poznan : Wydawnictwo Akademii Ekonomicznej w Poznaniu, 2006. 144 s. Zeszyty naukowe, 70. ISBN 83-7417-150-2. ISSN 1641-2168. [Copy count : 1, currently available 1, at library only 0]