Heppi Muliana Situngkir, Lilis Novitarum, Rotua E. Pakpahan. Relationship Between Daily Living Activity Level With Sleep Quality In The Elderly Elderly Social Services UPT, Binjai Social Services North Sumatera In 2021. Jurnal EduHealth [Internet]. 2022 Oct. 15 [cited 2026 Apr. 12];13(02):460-5. Available from: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/571