Pohan, Indah TS., Amira P. Tarigan, Pandiaman Pandia, and Erna Mutiara. 2024. “Role of Digital Education through Smartphones in Improving Knowledge Among Asthma Patients: A Preliminary Study”. Narra J 4 (2):e657. https://doi.org/10.52225/narra.v4i2.657.