Ramos Villa, L., J. Santiago Contreras, and R. Guzman Ale. “Evaluation of the Photocatalytic Activity of the FN1® Coating on Ignimbrite (sillar) in Arequipa - Peru”. Nexo Scientific Journal, vol. 37, no. 01, July 2024, pp. 34-44, doi:10.5377/nrc.v37i01.18322.