1.
Gwiaździński E, Wadlewski A-A. A Loyalty Program in the Area of Digital Transformation Based on the Example of the Costa Coffee Brand. In: Szymańska K, editor. The Best Practice of Marketing Management in Polish and International Enterprises: The Marriage of Science and Business – Case Studies [Internet]. Poland: Lodz University Press; 2022 [cited 2026 Jan. 23]. pp. 27-38. (, editor. The Academy of Management and Finance). Available from: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/793/chapter/1957