Women's Footwear Sole for the Elderly Produced with Sustainable Material: Friction Coefficient Analysis. - Rosangela Monteiro dos Santos; João Eduardo Guarnetti dos Santos; Ademir Marques Junior; Flavio Cardoso Ventura; João Victor Gomes dos Santos; Pedro Yuri Kovatch; Luis Carlos Paschoarelli; Fausto Orsi Medola (AHFE (15), 2020)