RSEP International Economics, Finance & Business Conference. Conference. 23th RSEP International Economics, Finance & Business Conference : Conference Proceedings. Editors: M. Veysel Kaya, Patrycja Chodnicka - Jaworska. 1st Edition. Ankara : BC Publishing, 2021. 368 s. Available on Internet: <https://rsepconferences.com/wp-content/uploads/2021/12/Rome-Conf.-2021-Full-Papers-Full-Book.pdf> ISBN 978-605-70583-5-5.