Pohan, I.T.S. et al. 2025. The Effect of Providing Digital Education Through Smartphone Applications on Control Level of Asthma Patients at Outpatient Clinic University of North Sumatra Hospital Medan. Journal of Society Medicine. 4, 4 (Apr. 2025), 106–114. DOI:https://doi.org/10.71197/jsocmed.v4i4.199.