Valiūnas, V., R. Pečeliūnas, S. Nagurnas, V. Žuraulis, K. Kemzūraitė, R. Subačius, and J. Lazauskas. “The Improvement Conception of Drivers Training and Examination System in Lithuania”. Transport, vol. 26, no. 2, June 2011, pp. 224-31, doi:10.3846/16484142.2011.592216.