Manungkalit, Maria, and Ni Putu Wulan Purnama Sari. “The Influence of Anxiety and Stress Toward Depression in Institutionalized Elderly”. Journal of Educational, Health and Community Psychology 9, no. 1 (March 6, 2020). Accessed December 22, 2024. https://journal.uad.ac.id/index.php/Psychology/article/view/13917.