Modern Problems of Management: Economics, Education, Health Care and Pharmacy. International Scientific Conference. Modern Problems of Management: Economics, Education, Health Care and Pharmacy : Conference Proceedings of the 6th International Scientific Conference, Opole, October 16 – 19, 2018, (Poland). Reviewers: Marian Ciepaj, Volodymyr Karpenko, Olena Raevneva. Opole : Wyższa szkoła zarządzania i administracji w Opolu, 2018. online 116 s. ISBN 978-83-946765-1-3.