Klimkiewicz, Katarzyna, and Ewa Beck-Krala. “Sustainable Reward Systems Design from the Perspective of HR Professionals”. Organization and Management, no. 2 (185) (April 30, 2019): 81–96. Accessed December 5, 2025. https://econjournals.sgh.waw.pl/OiK/article/view/1023.