Ziółkowska, Bogusława, et al. “SOME REMARKS ABOUT CHALLENGES IN SUPPLY CHAIN MANAGEMENT – VALUE CREATION, RISK MANAGEMENT, INNOVATIVENESS AND DEMOGRAPHY”. Advanced Logistic Systems - Theory and Practice, vol. 10, no. 2, Dec. 2016, pp. 27-38, https://als.uni-miskolc.hu/index.php/als/article/view/30.