Nizioł, Krystyna. “THE MODEL OF THE SOCIOECONOMIC SYSTEM AS DEFINED BY THE PRINCIPLES OF THE REPUBLIC OF POLAND’S CONSTITUTION AND OTHER COUNTRIES’ CONSTITUTIONS”. Ekonomia i Prawo. Economics and Law 2, no. 1 (December 31, 2006): 423–440. Accessed May 3, 2024. https://apcz.umk.pl/EiP/article/view/EiP.2006.024.