J. W. Valverde Flores, C. G. Vargas Febres, A. C. Achahui Alvarez, and D. G. Rodriguez Salas, “Inhibition of lichen and moss growth in lithic elements used in the construction of facades of Cusco heritage churches by applying air nanobubbles”, GEC, vol. 19, no. 1, pp. 20-30, Jun. 2021.