Sułkowski, Łukasz, and Dominika Kaczorowska-Spychalska. “Payment Implants As an Element of Human Enhancement Technology”. Human Technology 19, no. 2 (November 3, 2023): 238–261. Accessed July 15, 2026. https://ht.csr-pub.eu/index.php/ht/article/view/242.