DISTAPOHN, S. PRODUCT DESIGN FOR PHYSICALLY FACILITATE THE ELDERLY DEVICE TO HELP WALK UP AND DOWN STAIRS. Journal of Industrial Education, [S. l.], v. 21, n. 1, p. 67–78, 2022. Disponível em: https://ph01.tci-thaijo.org/index.php/JIE/article/view/247935. Acesso em: 19 apr. 2024.