WIŚNIEWSKA, A.; DUDKO, M. BUILDING LOYALTY PROGRAMS. Acta Universitatis Nicolai Copernici. Management, [S. l.], v. 43, n. 1, p. 9–24, 2016. DOI: 10.12775/AUNC_ZARZ.2016.001. Disponível em: https://apcz.umk.pl/AUNC_ZARZ/article/view/AUNC_ZARZ.2016.001. Acesso em: 19 jul. 2024.