BELTRÁN CABRERA, Francisco Javier; 						RAMÍREZ, Cynthia.
 The Esfuerzo Magazine: Journalistic Beginnings of Gilberto Owen.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 14, n. 2, p. 223-232, mar. 2015.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/7510" target="_new">https://cienciaergosum.uaemex.mx/article/view/7510</a>&gt;. Date accessed: 19 aug. 2026.