Nova Sontry Node Siregar, Saria Pakpahan, Surmida Sormin. Identifying Factors That Influence Insomnia In The Elderly In Terms Of Age And Anxiety. Jurnal EduHealth [Internet]. 2023 Nov. 24 [cited 2026 May 25];14(04):339-45. Available from: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/3118