ADIDA, F. .; PANDIA, P. .; PRADANA, A. .; TARIGAN, A. P. .; ASHAR, T. .; DANGANA, A. .; LISTYOKO, A. S. Effectiveness of smartphone application in increasing knowledge on COPD and its non-pharmacological management in COPD patients . Narra J, [S. l.], v. 3, n. 3, p. e412, 2023. DOI: 10.52225/narra.v3i3.412. Disponível em: https://narraj.org/main/article/view/412. Acesso em: 16 aug. 2025.