Płudowska, Martyna, Rafał P. Bartczuk, Andrzej E. Sękowski, and Elżbieta Masiak. “Inconspicuous Consumption Scale: Development and Validation”. Journal for Perspectives of Economic Political and Social Integration 31, no. 2 (December 31, 2025): 235–273. Accessed January 11, 2026. https://czasopisma.tnkul.pl/index.php/jpepsi/article/view/4262.