Nurhasanah, N., H. Asmawita, K. Khairani, N. Hadi, I. Nurhidayah, D. Febriana, and A. Putra. “How Is the Elderly’s Capability to Use Smartphones in Banda Aceh”. Open Access Macedonian Journal of Medical Sciences, vol. 10, no. E, May 2022, pp. 860-4, doi:10.3889/oamjms.2022.9084.