Karviná Ph.D. Conference on Business and Economics. International Scientific Conference. Karviná Ph.D. Conference on Business and Economics : Proceedings of 13th International Scientific Conference, November 2 - 3, 2022, Horní Lomná, Czech Republic. 1st Edition. Karviná : Silesian University in Opava. School of Business Administration in Karviná, 2022. [89] s. ISBN 978-80-7510-529-5.