GODA, Natália. Soft Power 30 Index - Comparation of the Visegrad Group Countries. In EDAMBA 2019. International Scientific Conference for Doctoral Students and Post-Doctoral Scholars. EDAMBA 2019 : International Scientific Conference for Doctoral Students and Post-Doctoral Scholars. - Bratislava : Vydavateľstvo EKONÓM, 2020. ISBN 978-80-225-4704-8, pp. 138-142 online.