POLASIK, Michał and PIOTROWSKI, Dariusz. PAYMENT INNOVATIONS IN POLAND: A NEW APPROACH OF THE BANKING SECTOR TO INTRODUCING PAYMENT SOLUTIONS. Ekonomia i Prawo. Economics and Law. Online. 31 March 2016. Vol. 15, no. 1, pp. 103-131. [Accessed 27 July 2024]. DOI 10.12775/EiP.2016.007.