Monzon Alvarez, G.I., Pacheco Quico, M. Ángel, Miaury Vilca, A.R., Pinto Pomareda, H.L. and Torres Aza, S.F. 2021. Occupational risks in public cleaning personnel during Covid-19. Universidad Ciencia y Tecnología. 25, 108 (Mar. 2021), 66-72. DOI:https://doi.org/10.47460/uct.v25i108.432.