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 4th international scientific conference : november 11 - 14, 2016, Opole, Poland. 1st ed. Opole : Publishing House WSZiA, 2016. online [208 s.]. ISBN 978-83-62683-94-9.