TY - GEN A1 - Prończuk, Anna A2 - Ziemba, Ewa. Chief Editor PB - Publishing House of the University of Economics in Katowice L1 - http://www.sbc.org.pl/Content/326662/PDF/08.pdf L2 - http://www.sbc.org.pl/Content/326662 KW - kontrola marketingu KW - ryzyko rezygnacji KW - zadowolenie klienta KW - zarządzanie projektem T1 - Churn Risk Identification as an Important Aspect of Marketing Controlling – the Case of a German Start-Up Company UR - http://www.sbc.org.pl/dlibra/publication/edition/326662 ER -