@InCollection{Idzikowski:2019,
  author  = "A. Idzikowski and P. Kuryło and J. Cyganiuk and M. Ryczko",
  title     = "Customer relationship management (CRM) - philosophy and its significance for the enterprise",
  pages     = "1004--1011",
  year      = "2019",
  booktitle = "System safety: human - technical facility - environment : monograph, ISBN: 9783110605402",
  editor    = "eds. R. Ulewicz, R. R. Nikolić",
  publisher = "De Gruyter Poland - Sciendo",
  address   = "Warszawa",
}