GALBÁN PERAMO, Porfirio Ernesto; 						FAT YERO, Gil.
 Editorial.
<strong>LUZ</strong>, [S.l.], v. 17, n. Especial, p. 1-2, mar. 2018.
ISSN 1814-151X.
Available at: &lt;<a href="https://luz.uho.edu.cu/index.php/luz/article/view/891" target="_new">https://luz.uho.edu.cu/index.php/luz/article/view/891</a>&gt;. Date accessed: 03 dec. 2019.