Contemporary trends and challenges in finance : proceedings from the 2nd Wroclaw International Conference in Finance2017 http://www.ester.ee/record=b4688604*est Contemporary Trends and Challenges in Finance : proceedings from the 6th Wroclaw International Conference in Finance2021 https://doi.org/10.1007/978-3-030-73667-5 PrefaceJajuga, Krzysztof; Locarek-Junge, Hermann; Orlowski, T. Lucjan; Staehr, KarstenContemporary Trends and Challenges in Finance : Proceedings from the 6th Wroclaw International Conference in Finance2021 / p. v-vi https://link.springer.com/book/10.1007/978-3-030-73667-5 Conference Proceeding at Scopus Article at Scopus