Tavares, M. I. B. .; Filho, J. C. D. .; Nascimento, T. .; Iulianelli, G. C. V. .; Merat, P. P. . Effect of Molybdenum Trioxide in the Behavior of Poly(vinyl Alcohol) Nanocomposites Systems Focusing New Systems for Protection Against COVID-19. J. Res. Updates Polym. Sci. 2020, 9, 89-95.