Ingrid Ameris Putri Andini Zega, Lindawati Simorangkir, and Lili Suryani Tumanggor. 2024. “Overview Of The Level Of Loneliness Among The Elderly In Harjosari II Village, Medan Amplas District”. Jurnal EduHealth 15 (04):557-61. https://ejournal.seaninstitute.or.id/index.php/healt/article/view/5361.