Alexandru, D. G., and B. Guziejewska. “Rationalization of the Local Budget Economy: A Comparative Analysis of the Legislative Basis in Poland and Romania in the Concepts of Positive Law and Natural Law”. Ekonomia I Prawo. Economics and Law, vol. 22, no. 1, Mar. 2023, pp. 5-20, doi:10.12775/EiP.2023.001.