POHAN, I. T.; TARIGAN, A. P.; PANDIA, P.; MUTIARA, E. . Role of digital education through smartphones in improving knowledge among asthma patients: A preliminary study. Narra J, [S. l.], v. 4, n. 2, p. e657, 2024. DOI: 10.52225/narra.v4i2.657. Disponível em: https://narraj.org/main/article/view/657. Acesso em: 14 aug. 2025.