GREGOVÁ, Elena - DENGOVÁ, Elena. Integrated Transport System - a Form of Improving Public Passenger Transport. - Registrovaný: Web of Science. In Social science research. International conference. Social science research : proceedings of 2014 2nd international conference on social science research : December 10-11, 2014, Hong Kong. - Singapore : Singapore management and sports science institute, 2014. ISBN 978-981-09-1682-4, s. 20-25. ITMS 26110230083.