1. Berezny, R., Konecny, V., 2017. The impact of the quality of transport services on passenger demand in the suburban bus transport. In Conference: 12th International Scientific Conference of Young Scientists on Sustainable, Modern and Safe Transport Location: High Tatras, SLOVAKIA, MAY 31-JUN 02, 2017.
2. Trend of public mass transport indicators - as a tool of transport management and development of regions;Dicova;Communications: scientific letters of the University of Žilina,2010
3. DPMŽ internal documents.
4. Gnap, J, Slavik, R., 2019. Selected problems of night - Time distribution of goods within city logistics. In 13th International Scientific Conference on Sustainable, Modern and Safe Transport, TRANSCOM 2019; Novy Smokovec - Grand Hotel BellevueHigh Tatras; Slovakia; 29 May 2019 through 31 May 2019, Volume 40, 2019, 497-504.
5. Kalasova, A., Culik, K, Kubikova, S, 2018. Smart City - Model of Sustainable Development of Cities. In Conference: 11th International Scientific and Technical Conference on Automotive Safety Location: Casta Papiernicka, SLOVAKIA, APR 18-20, 2018.