PrefaceJajuga, Krzysztof; Locarek-Junge, Hermann; Orlowski, Lucjan T.; Staehr, KarstenContemporary trends and challenges in finance : proceedings from the 5th WroclawInternational Conference in Finance2020 / p. v-vi https://link.springer.com/content/pdf/bfm:978-3-030-43078-8/1?pdf=chapter%20toc Conference proceeding at Scopus Article at Scopus PrefaceJajuga, Krzysztof; Orlowski, Lucjan T.; Staehr, KarstenContemporary Trends and Challenges in Finance : Proceedings from the 2nd Wroclaw International Conference in Finance2017 / p. v-vii https://link.springer.com/book/10.1007/978-3-319-54885-2 Conference proceedings at Scopus Article at Scopus