Leal Marchena, C., S. Gomez, L. Pierella, and L. Pizzio. “Photocatalytic Degradation of Methyl Orange by Tungstophosphoric Acid Impregnated in Zeolites NH_4 ZSM5”. Technology and Science Magazine, no. 24, May 2019, pp. 10-16, https://rtyc.utn.edu.ar/index.php/rtyc/article/view/473.