Yunardi, Mei Linawati Siahaan, Arfyah Sagita Yunanda. THE RELATIONSHIP BETWEEN STRESS AND SLEEP QUALITY IN ELDERLY IN RAYA BAYU VILLAGE, RAYA DISTRICT, SIMALUNGUN DISTRICT. MORFAI [Internet]. 2022 Jan. 30 [cited 2024 Nov. 15];1(2):395-401. Available from: http://radjapublika.com/index.php/MORFAI/article/view/722