LÓPEZ MARTÍNEZ, Mario.
 Old and new frontiers: from the fall of the wall to the xxi century. Reflexion essay since non-violence.
<strong>Espacios Públicos</strong>, [S.l.], v. 16, n. 36, sep. 2022.
ISSN 2954-4750.
Available at: &lt;<a href="https://espaciospublicos.uaemex.mx/article/view/19681" target="_new">https://espaciospublicos.uaemex.mx/article/view/19681</a>&gt;. Date accessed: 20 aug. 2026.