Hani, Umi, Fery Agusman Mutoho Mendrofa, Sonhaji ., and Kurniawan . “Android-Based Family Support to Improve the Quality of Sleep Patterns in the Elderly”. KnE Medicine 3, no. 3 (June 23, 2023): 342–354. Accessed May 16, 2024. https://knepublishing.com/index.php/KnE-Medicine/article/view/13520.