MUKAFI, Muhamad; DZULFIKRI, Ahmad. Design of walking and sitting aids for the elderly using the kano method. Operations Excellence: Journal of Applied Industrial Engineering, Jakarta, Indonesia, v. 15, n. 1, p. 29–40, 2023. DOI: 10.22441/oe.2023.v15.i1.070. Disponível em: https://publikasi.mercubuana.ac.id/index.php/oe/article/view/17658. Acesso em: 3 jun. 2026.