author  = "J. Stankiewicz and M. Moczulska and B. Seiler",
  title       = "Conditions and nature of coopetition of for-profit and non-profit organizations",
  booktitle   = "Business and non-profit organizations facing increased competition and growing customers' demands : proceedings of the 17th Conference of Scientists and Business People; ISBN: 9788395108228",
  address     = "Tomaszowice, Polska",
  publisher   = "Nowy Targ, Foundation for the Dissemination of Knowledge and Science "Cognitione"",
  pages       = "111--126",
  year        = "2018",