Barcia Lehmann, Rodrigo, and José Maximiliano Rivera Restrepo. “In What Sense Is the Notion of Non-Compliance With Soft Law Objectively into the Contractual Law?”. Opinión Jurídica 18, no. 36 (June 30, 2019): 165–181. Accessed May 9, 2025. https://revistas.udem.edu.co/index.php/opinion/article/view/2877.