Tyrowicz, Joanna and Wojcik, Piotr (2009): Nonlinear Stochastic Convergence Analysis of Regional Unemployment Rates in Poland. Unpublished.
Tyrowicz, Joanna and Wojcik, Piotr (2007): Regional Dynamics of Unemployment in Poland - A Convergence Approach. Unpublished.
Katrencik, David; Tyrowicz, Joanna and Wojcik, Piotr (2008): Unemployment Convergence in Transition. Unpublished.
