“Split Payment Mechanism and STIR : Selected Tools for Improving the Efficiency of Tax Collection on Goods and Services in the Republic of Poland”. Institutiones Administrationis - Journal of Administrative Sciences 2, no. 2 (December 18, 2022): 35–45. Accessed June 19, 2026. https://www.administrativescience.com/index.php/instadm/article/view/33.