Kretkowski, Alan. “The Prohibition of Trading, Conducting Business, and Exacting Usury According to the Current Codified Discipline (can. 286 CIC 83; Can. 385 § 2 CCEO) and Selected Fourth-Century Catholic Church Jurisprudence”. Prawo Kanoniczne 69, no. 1 (March 30, 2026): 87–112. Accessed April 9, 2026. https://czasopisma.uksw.edu.pl/index.php/pk/article/view/16014.