M. . Bieniek-Majka, Z. Gródek-Szostak, M. . Prusinowski, M. . Szczepańska, A. Szczepkowska-Flis, and Z. Urbanowicz, “Hierarchy of responsible consumption: Analysis in the context of the needs-driven purchasing motivations”, IER, vol. 12, no. 1, pp. 141–156, Mar. 2026, doi: 10.15678/IER.2026.1201.08.