Gwiaździński E, Wadlewski AA. A Loyalty Program in the Area of Digital Transformation Based on the Example of the Costa Coffee Brand. In: Szymańska K, ed. The Best Practice of Marketing Management in Polish and International Enterprises: The Marriage of Science and Business – Case Studies. The Academy of Management and Finance. Lodz University Press; 2022:27-38. doi:10.18778/8220-842-9.04