The Role of Pedometer Based Walking Exercise To Quadriceps Muscle, Quality of Life, Benefit, and Cost in Stable COPD Patient. Jurnal Respirologi Indonesia, [S. l.], v. 40, n. 3, p. 163–172, 2020. DOI: 10.36497/jri.v40i3.117. Disponível em: http://www.jurnalrespirologi.org/index.php/jri/article/view/117. Acesso em: 16 jul. 2025.